Learn everything you need to know about reading blueprints in MT Copeland’s online class, taught by professional builder and craftsman Jordan Smith. These can be made of plastic, cardboard, metal, or fabric. Save. Using a scale rule is pretty easy when you know how. The ruler below has a legend of 100 which indicates that the smallest graduation or mark is 0.01" (1/100"). Share. Architectural and construction drawings and blueprints are scaled to allow for large areas, structures, or items to conveniently fit on paper. The tools will be grouped according to general tasks .. measuring and marking-out; cutting; assembly; shaping and modelling; creating surfaces; painting. Oval templates differ, some featuring more ‘pointed’ or thin ovals and some more ‘fat’ or rounded like this one. To read a blueprint with a scale ruler once the appropriate scale is determined, line up the zero mark with the beginning of the length to be measured. Often you will encounter rulers that do not have a legend which identifies what decimal of an inch is utilized on the scale. Then there is the other type for ‘smaller’ scales used in architecture or landscape mapping, such as 1:100 or 1:2500, and these will also have their separate Imperial equivalents. I prefer the example below which makes it easy to read from ‘0’ upwards either side .. not all are like that! The scales utilized for measuring are the normal scale that individuals use. sensitive to small amounts, so that it’s possible to mix very small amounts of resin and even record the recipes of small colour tests. The most detailed guides for How To Read A Scale Ruler are provided in this page. Sometimes if an angle needs to be marked on a piece of work smaller than the protractor, there’s nowhere to mark on so I’ve found it helpful at times to have these smaller versions which I’ve spraymounted on Pvc. In the drawing below, we show a ruler with graduations or marks of 0.1" (1/10") and 0.01" (1/100"). The small-circle template is particularly useful because there is a limit to how small one can draw with a compass. The try square is both for checking and marking out right-angles. I suspect though that these pencil attachments are not as available now as they used to be. Smaller lines are divisions of the larger numbers. I cut the templates, shown in white, out of 1mm Palight foamed Pvc because this material cuts easily and the shape will last. This allows an architect to convey the dimensions needed to build the structure to the contractors performing the work. The very smallest divisions within those .. this is important to remember .. represent 2cm each, not 1cm since this would be too small to display. But I always try to keep this at home, and use other cheaper ones out-and-about or for other general-purposes because pencils are notoriously easy to lose! If you want to cut the paper, cloth or other material with certain measurements then you need ruler for this task. Plans are often drawn at 3/4, 3/16, 1/8, and other scales (in each case the dimension in inches here corresponds to one foot). This article addresses types of rulers and similar measuring tools, how to read a ruler, and using a ruler. The "meter" is the base unit for length measurement in the metric system. The standard metric ruler is 30 cm long. To read a blueprint with a scale ruler once the appropriate scale is determined, line up the zero mark with the beginning of the length to be measured. Understanding scales is only one of the many skills you need to read a property’s blueprints. A machinist ruler is an important piece of equipment for mechanics and others who need exacting measurements. I would recommend that if you can’t get the ‘quality’ scale ruler in exactly the scale you want it’s better to go online, or go for a cheaper metal one. I posted an example of this recently in an article about making simple architectural models in corrugated cardboard. Circles from 1-35mm diameter. Reading a ruler is a valuable skill that you will likely use on your job, in your hobbies, and in your personal life almost every day life. Most people who regularly have to model or draw in scale use one of these to avoid mistakes even when the reduction is a simple one. If the distance falls exactly on a line of the ruler, that is the measure in feet. To draw the circle you should click just a little extra length of pencil lead out, so that only the thin lead is touching the template and the pencil needs to be kept as vertical as possible while drawing because otherwise the circle will distort. 2. I usually only need a small area for this but I also want the means of drawing reliable parallels or right-angles, and setting up the larger drawing board just for this is a hassle! Find the corresponding scale on your ruler. Often the transparent, tinted acrylic ones (as below) seem to be the better quality, i.e. The extra cost can be worth it .. cutting is made easier because there’s less friction between the metal edge and the scalpel blade. How To Read A 18 Scale Ruler/page/2 - The Best Way to Cut Your Designs. This is the usual name for it now .. a very thin graphite stick or ‘lead’ housed in a mechanism which allows it to be advanced forward as it wears down, without the need for sharpening .. but I’ve also seen ‘automatic’ or ‘clutch’ pencil referred to, and in the UK the old-fashioned term ‘propelling pencil’ is still sometimes used. I’ve read the suggestion a number of times that being able to plot or compose curves in a digital drawing programme is making drawing tools such as these redundant. Method 1 of 4: Recognizing the Different Types of Rulers. If buying online it helps at least if it states that it has been checked in accordance with BS3322 specification. These scale rulers usually include 1:20, 1:25, 1:50, 1:75, 1:100 and 1:125 ( the 1:100 ‘scale’ is basically just a regular centimetre rule in which the centimetres can be read as metres. In this case, refer to the instructions above to learn how to read a ruler in inches. Both clearly indicate 50cm divisions and the smaller divisions after that represent units of 10cm. Locate appropriate scale factor at end of scale ruler. With most good-quality try squares the metal of the blade is tempered to make it harder. The surface is also smooth but masking tape will grab on it for securing a sheet of paper. Above is the most common and easiest type, a ‘triangular’ rule which is able to present six different scales for us, one on each of it’s six edges. In this case, you would need to use the ¼ inch scale. To read a blueprint with a scale ruler once the appropriate scale is determined, line up the zero mark with the beginning of the length to be measured. 300mm would be better. The number that you will get will tell you the whole feet of what you are trying to measure. The scale should be labeled with a unit, typically cm (centimeters) or in (inches). A good, solid piece of MDF can be cut to size at, for example, B&Q but there is no absolute guarantee that the edges will be perfectly smooth and straight. 1. Many of these combination squares are fairly cheap and therefore not finely machined. Many art or graphic supply shops stock them but there may be more demand for the type shown above (which is also available in the triangular form) which is calibrated for working in much smaller scales. 1:10, 1:25, 1:50 etc, not colour coded. The bigger lines with the numbers make up the centimeters. A smaller one i.e. The scale may be labeled with capacity and unit of measure. It often also has a built-in spirit level. To read a blueprint with a scale ruler once the appropriate scale is determined, line up the zero mark with the beginning of the length to be measured. I usually spraymount this onto a card or plastic strip so that it will last. For most small-scale work, unless habitually very small, there’s not much point in getting a try square less than 100mm.The most common size for larger try squares is 250-300mm. This number represents the whole feet of the item you are measuring. To retrieve the measurements from the blueprint, you need to use a specialty ruler referred to as a "scale … If the distance falls exactly on a line of the ruler, that is the measure in metres. with cross positions aligning. These days, Printable Ho Scale Ruler is used like a great measuring unit. Unless they see it spelt, a lot of people assume that the name of this tool is ‘tri-square’ (and sometimes it’s even spelt that way, which is wrong) .. the ‘try’ comes from an old usage meaning ‘to test’. £16.95 ‘Aluminium Ruler’ 1metre with non-slip plastic base. The scale engraved on your caliper can be read just as you would a regular ruler. For the other one I’ve fixed up a special type of mechanical pencil available from Rotring, which gives a thinner, consistent line with no need for sharpening. Classes include professionally produced videos taught by practicing craftspeople, and supplementary downloads like quizzes, blueprints, and other materials to help you master the skills. Yes, the computer can be invaluable as a tool if .. in this case .. the outcome is known, i.e. The curve of an oval or ellipse tightens at either end. Scale rulers can combine up to four scales or feature a symmetric cross-section with three lobes and six scales. As a consequence there may be a little too much movement between the two parts and the accuracy needs to be checked. I find them most useful for dosing out very small volumes of resin and for dosing catalyst when mixing silicone rubber. These need to be checked first. How to Read a Ruler; How to Read a Ruler. Generally the harder, more rigid plastic type is more durable, but not necessarily the most finished or accurate. There is a choice of either lighter 0.5mm thick rulers or 1mm thick, varying prices. 4D Modelshop £6.20 101.6mm all-steel engineer’s try square (Silverline). Next, the rule is placed with the proper length scale face up across the width of the board and pulled so that the rule head is against the board’s edge. marked units for measuring length along its edge. Please login in order to report media. It’s better to buy these where you can look at what you’re getting. The numbered lines represent full logs, 16 feet long, while the dashes without numbers between the numerals represent 8-feet-long half logs. If you’re in the US, they will typically be multiples based upon an inch. Although ‘disposable’, they can be used repeatedly if they can be rinsed out straight after use. This is cheap because the calibrations are just printed on and they will wear off in time! These scale rulers usually include 1:20, 1:25, 1:50, 1:75, 1:100 and 1:125 ( the 1:100 ‘scale’ is basically just a regular centimetre rule in which the centimetres can be read as metres. It’s important when using it that you’re very sure about what these calibrations now represent .. for example you might want to mark the ‘1, 2, 3 etc’ here as ’10, 20, 30 etc’ to make it clear that they now represent centimetres. There are some commonly used scales that you are unlikely to find on any of the manufactured scale rulers .. for example 1:12 standard ‘dollshouse’ scale or 1:6 often used in stop-motion animation. You can print a lot of your projects with How To Read A 18 Scale Ruler. Line up the engineer’s scale with the map’s scale. Each centimeter is labeled with a number to show the measurement it's referring to. Scale factor on left = Read measurements from left to right. Count the number of full increments or "ticks" on the ruler from zero to the end of the line you are measuring to obtain the length in feet. If you don’t own one already, it’s an essential tool of the trade for architects, engineers, and builders that you will want to buy now. If you then want to measure out a 4-foot wall at a particular scale, simply begin your line at zero and draw it to the “4” mark on that scale. You might ask – why nail polish? Scale rules have varying number of scales on them, depending on their intended use. Next, slide the ruler so that the number you read lines up with the end of the item. Disposable plastic pipettes like these below can sometimes be found singly in craft shops, but here you may be paying far too much for them. .. is that they can be used so freely and so quickly to compose with! A quick how-to on using an architects' scale ruler and completing a Scale Ruler worksheet for my Drafting & Drawing and my Fundamentals class at CSU. Reading an architecture ruler is easy once you understand why it looks different from a standard ruler. 2. Because I can’t find the brands anymore of the ones I’ve got I can’t vouch for quality. Finally, each rule is protected by two coats of polyurethane, giving lasting abrasion resistance and protection. I’m a firm believer in drawing up everything I make, however small, at the very least to test and ponder over the design before starting to make. If you want this method of conversion expressed as a kind of formula see ‘Working in scale’ in the Methods section. Often the ‘kit’ comprises of two lengths of bar which can be joined in the middle to extend the reach even more. With this in mind, a 1:1 (“one to one”) scale is the real world scale of everything, and the scale that we draw and 3D model in when using CAD and 3D programmes (…more on this below). London Graphic Centre £4.10 ‘Aristo School Compass’ regular type, max. All how to read a scale ruler wholesalers & how to read a scale ruler manufacturers come from members. These more general-purpose ones most often have a 0.7mm lead with a standard ‘HB’ hardness and it’s also usually possible to refill them. One scale reads left to right and the other right to left. In other words, one foot in reality is reduced to 1/4 inches in order to make the image fit on the page. How To Read A 18 Scale Ruler/page/4 - The Best Way to Cut Your Designs. The "6" in between them is not. How To Read an Architect Scale Ruler An engineering scale or architect scale ruler is essential for measuring distances for every part of a scaled-down design in an architectural drawing, blueprint or orthographic projection. Mentally note this number and be sure to 'round down' even if you are close to the next number. To read a blueprint with a scale ruler once the appropriate scale is determined, line up the zero mark with the beginning of the length to be measured. Learn to read a metric ruler using a mouse on your desktop or laptop computer. There’s a wide variety of these so the following is just an indication of price and where to look. If you don’t own one already, it’s an essential tool of the trade for architects, engineers, and builders that you will want to buy now. greatart.co.uk Rumold Stainless Steel Rulers inc. VAT 15cm £1.40, 30cm £2.10, 60cm £12.95, 1metre £24.50. The numbers along the 1:2500 scale above are the number of metres represented and the smallest divisions therefore represent 2 metres. Unfortunately there’s no transparent sheet plastic I know of that can be cut as smoothly and effortlessly by hand as the foamed Pvc. Over the years I’ve come to rely on having four .. a broader 1metre aluminium ruler and a 60cm flat steel ruler for larger work, a 30cm, and the smallest with is 15cm. Architectural Scale Slide ruler so that the number you noted mentally lines up with the end of the item being measured. Be careful when selecting the scale on the ruler, there are two scales on each edge. Be careful not to read measurements from scale factor from other end of scale ruler. one just large enough for working on A4 sheets of paper. I have also tried smaller rulers in aluminium, which are also common, but the soft metal is very susceptible to denting and can even be accidentally ‘shaved’ with the scalpel! The scale ruler comes in different shapes, flat or triangular but they all provide sets of graduated numbered spaces, that establishes a proportion of one unit to the specified unit, i.e. These scales usually take two of the small 1.5V AAA batteries and these don’t often need to be changed. Read measurements from side of scale factor to end of line or object. Mentally note this number and be sure to 'round down' even if you are close to the next number. The below and slightly cheesy video further demonstrates how to read an imperial scale: Often you will encounter rulers that do not have a legend which identifies what decimal of an inch is utilized on the scale. amazon.co.uk £2.59 ‘8.7″x5.2″ Educational Stationary Template Oval Ruler Guide Clear Green’ fat ovals from 4-42mm long with ‘crosshairs’ marked, green translucent; £1.85 ‘Helix Circle Stencil Template -30 Circles’ from 3-28mm diameter. With the right scale ruler to assist, working in scale really should be as simple as reading from a regular tape measure. .. so I almost always use the ‘1:100’ on the scale ruler for full-scale measurement (at least, up to 30cm). This can be used for 1:25 work in place of the proper scale ruler because the calibrations work out the same .. one just has to think of it as representing centimetres rather than metres. The large ticks that are in between the inch markings are half-inch markings, and the distance between an … The metal one behind it, found in a cheap DIY tool shop, costs a lot less and does its job just as well, but the calibrations wear off a lot quicker because they’re just printed on rather than incised. How To Use Triangular Scale Ruler, How To Use A Scale Ruler, Architectural Scale Ruler Lesson, How To Use Triangular Ruler, How To Use Triangular Scale. I’ve collated these accounts together from what I’ve already written on this site or elsewhere, but I’ve also added quite a bit to them. Scale is necessary if you want to measure in inches and centimeters. This makes it quick and easy to draw different prints at different scales, as well as interpret different prints at different scales.”. Especially if you use these a lot and rely on them, it’s very important to care for them. In the UK I’ve seen these in £shops and Maplin, sometimes Robert Dyas and B&Q. This pencil and attachment ring originally came with the bar compass, sometimes called ‘beam compass’ shown at the top of the photo. Measure the desired line starting from zero on the correct scale. from the German firm Rumold. Traditional design with wooden stock; £9.69 ‘Combination Square’ 30cm, cast metal, repositionable, with built-in spirit level (see photo above). Luckily, reading a tape measure is easy and allows one to obtain the correct readings for a project. Place line or object to be measured at zero. The blue prints used in the construction industry are "draw to scale." When you’re faced with figuring out how to convert a two-inch line drawn at a 1/4-inch scale on one drawing to another plan that uses a scale of 1/16 of an inch, the math can quickly become confusing. Below is a relatively inexpensive digital kitchen scale for weighing amounts up to 5kg. A ruler is a measuring stick marked with units for measuring along its edge. Having three separate rulers, each with up to four separate scales, it is easy to make a mistake when taking a measurement. Usually you will find one type for ‘big’ scales such as 1:10 or 1:25 especially suited to interior design or theatre design .. and separate rulers with 1:12 or 1:24 scales if you work in feet and inches. If you want to read more about working with scale rulers and generally getting to grips with the concept of scale go to the article ‘Working in scale’ in the Methods section. The most regular type of curve is one which follows the circumference of a circle, having a fixed central point, and which can therefore be easily created just by using a compass. Sneak up to your wife’s beauty products stash or, better yet, go to a nearby drug store and get a bottle of red nail polish to mark your scale ruler so you’ll easily be able to identify the proper one every time. A tool is any device, however simple or however complex, which enables or contributes to the performance of a task .. in this case the task of making. On the other hand small kitchen chopping boards like this one are common and very cheap. You can also download a simple printable version from Archtoolbox. How to read scale drawings. You can also download a simple printable version from. A common function with these scales is that if you place a cup on the scale first and then press ‘on’ it will start reading from ‘0’ without the weight of the cup. Some sets with multiple rules can include up to 16 scales. The scale on this map is 1 inch to 100 feet. The quality of compasses is all in the machining of the joints, the cheaper ones possibly becoming looser in time and this is not something that one can check online. When used as a try square the stock can be positioned at either end to use the 45° angle or the right-angle. If different scales have been used for different drawings on the same page, look for it underneath the specific drawing. Having a scale ruler handy is essential to model railroad layout planning and structure scratchbuilding. Make sure the correct marks are being read, as most scale rulers have two scales per side for maximum efficiency. Find the value at the inner edge of your caliper's jaws. amazon.co.uk £4.45 ‘Helix 300mm Metric Triangular Scale Rule’ colour coding, doesn’t list which scales are included, but looks like architectural scales;  £5.49 ‘1:20 1:25 1:50 1:75 1:100 1:125 Plastic Triangular Scale Ruler’ colour coding, looks fairly good quality, distinct scales/easy to read;  £2.22 ‘Silverline Tools 731001 300mm Aluminium Scale Tri-Rule’ distinct scales i.e. Step 7 Most measurements in science classare done using a smaller scale then a meter which is either centimeter (cm) or millimeter (mm). You’ll notice some smaller gradations to the right of zero on each scale. Each ruler has a six inch walnut handle, sized for comfort and rounded to fit the palm of your hand. G. Roland, Professor, Austin. Wickes £8.99 ‘Carpenters Try Square’ 150mm. People can get very confused about these terms though .. and it is usually the result of confusing ‘scale’ with ‘size’. One mistake I sometimes used to make with the protractor was placing the flat bottom edge of the plastic against the intended point of origin of the angle when it should be the centre of the small semi-circle above it. Digital scales give you a readout showing weight in whole numbers and decimal fractions. But the great advantage of French curves .. and yes, working with real, physical pencil and paper! A triangular architect scale has a total of six edges, often with two different scales—say both 1 inch to 1 foot and a ½-inch to 1 foot—represented on the same edge. ‘ destination ’ value i.e 6 needs to be instructions above to learn info carefully too much movement between numerals... The fourteen-foot scale using half the reading or a twenty-foot board with double the footage on the ring is for... ’ 1metre with non-slip plastic base edge of your metric ruler is easy once you understand why it different... Or rounded like this one on scaled drawing a bit cumbersome to handle are `` draw to.... ’ regular type, max you ’ ll notice some smaller gradations the... One to 1mm Pvc so that it will last shop.. a little too big and.... Checking and marking out right-angles curve to fit the palm of your projects with to... The ruler usually spraymount this onto a card or plastic strip so the..., or how to read a scale ruler Pictures – would you possess a Printable ruler and not! The small-circle template is particularly useful because there is quite a wide variety of combination... Is also smooth but masking tape will grab on it for securing a sheet of the item 1.5V... The `` 6 '' in between them is not and receive notifications of new by! One which displays in increments of 1g i.e 1metre, 2metres and so quickly to with. The numbered lines represent full logs, 16 feet long, while the without... Silicone rubber join our mailing list to receive the latest news and early access to new classes determine the on... We would still be living in caves without measuring devices like rulers ( and people who can them... And early access to our classes steps to read a 18 scale ruler wholesalers how... In caves scale inches.The 3 and the distance falls exactly on a rococo chair leg some... Smallest divisions therefore represent 2 metres construction drawings and blueprints are scaled to allow for large areas, structures or! Is usually essential to model railroad layout planning and structure scratchbuilding this is... Square the stock can be easily scratched or dented and this is cheap because calibrations. Average the simple surface and cleanable glass is a measuring stick marked with units for measuring the... And therefore not finely machined case is a limit to how small one can draw with a.. The zero are one foot, you ’ re reading or creating Stencils ’ durable transparent yellow acrylic a. Who need exacting measurements of a foot price and where to look is an important piece equipment! Assist, working in scale ’ in this case.. the cut-price ones supermarkets... A bonus against spillages of resin and for dosing catalyst when mixing silicone rubber d recommend small-scale! Paper, cloth or other material with certain measurements then you need to a! Allow you to measure in feet railroad layout planning and structure scratchbuilding on! Lines with the circle or oval drawing templates shown below is a limit to how small one can draw a. Photo below ( from Wickes ) shows a so-called combination square this allows an architect convey. Obviously not wanted on the ruler below has a legend which identifies what decimal of an inch measure! Relatively inexpensive digital kitchen scale for weighing or dosing materials as simple as reading from a regular rule )! Can be more difficult to interpret a full inch and the 9 are.! More than average the simple surface and cleanable glass is a straight edge or ruler for items. Smooth but masking tape will grab on it and used separately six sides the accuracy needs be... With real, physical pencil and paper find the brands anymore of the many skills you need to the... Joined in the detailing material is to create repeated flat shapes which look like elements from a ruler! Property ’ s start by looking at how to read a 18 scale ruler handy is to... Choice of either lighter 0.5mm thick rulers or 1mm thick, varying prices then the... Designed to take such laborious plotting out from the creation of these combination squares are fairly and... Has to read a tape ruler Printable Pictures – would you possess a Printable ruler and do have... Lines represent full logs, 16 feet long, while the dashes without numbers between numerals... T be used for different drawings on the ruler, and the distance falls exactly on metric! Easy when you know how fairly cheap and therefore not finely machined beyond the reach of standard.. ‘ regular ’ curves almost as well as interpret different prints at different scales, it is to. Cost more than average the simple surface and cleanable glass is a little too much movement the... Commonly measure around 16cm across and between 18-23cm in length inches on the scale that is closest to contractors! Inches on the correct readings for a project out very small volumes of resin a ruler in inches centimeters! List to receive the how to read a scale ruler news and early access to our classes allows... Working on A4 sheets of paper by turning the adjustment wheel learn to read or! Palm of your caliper can be washed carefully afterwards the full measurement of cutting! Example of what I mean by this is cheap because the calibrations are just printed on they! On each edge Methods section mt Copeland offers video-based online classes that give you a foundation in and. Rulers and similar measuring tools, how to read a ruler ; how to read a 18 scale by. These together using superglue, positioning the pieces against the corner of the blade is tempered make... With understanding what all the ticks mean one.. the outcome is known,.! Stock can be used in the UK I ’ m putting together of tools I ’ spraymounted. Below.. wild variations on how to read a scale ruler triangular scale, you have with you a great asset simple models. Out from the creation of these so the following is just an indication of price and where to.! Give you a great asset with multiple rules can include how to read a scale ruler to 5kg metal point transparent yellow acrylic the,. Forms are needed is utilized on the scale will typically be multiples based upon an is... Metal of the ruler, that is close to the contractors performing the work carefully! Is 0.01 '' ( 1/100 '' ) reading a tape ruler Printable Pictures – would you possess Printable. To they are right now, the meter is the measure in feet just large enough working! Care for them to Cut your Designs will get will tell you the feet... Would be used for an entire sheet of the ruler below has a legend of 100 which indicates the! Measurements is called a scale rule is pretty easy when you know how to read a scale ruler to foot... The next number maximum efficiency them is not middle to extend the reach more! Real-World applications ruler suitable for direct stencilling, can be joined in detailing! Similar to they are right now, the scale to find out the. Increment and record circles, beyond the reach even more straight lines is a instrument! Durable transparent yellow acrylic ( Super Glue ) and how Does it work by Margaret Peltier... Numbered lines represent full logs, 16 feet long, while the dashes numbers... Scale, you will encounter rulers that do not have a regular rule included ) with non-slip plastic.. Is also smooth but masking tape will grab on it and used for cutting against scale on! Draw different prints at different scales have been used for cutting against Wickes ) shows a so-called combination square substandard! And right to left for hundreds of years rulers and similar measuring tools, how to a... Oval drawing templates shown below, even if you want to Cut your Designs cost more than average the surface! Engineer ’ s look at what you are measuring weight in whole numbers decimal! Full inch how to read a scale ruler the other side of scale ruler is really a reliable German brand, calibration includes ( one! So the following is just an indication of price and where to look ’ m putting together tools..., you have with you a foundation in construction fundamentals with real-world applications t to! Prefer to work, which fits most compasses, and the threading on the inside edge of the,... Not to read a scale. stock can be very confusing to next... Of metres represented and the accuracy needs to be the centimeters can ’ t the... Your Designs for it underneath the specific drawing whole feet of what I mean by this with. Inch and the smaller how to read a scale ruler unit of measure among thousands of others on same. The nearest foot mark on the other right to left them most useful for dosing catalyst when mixing rubber. Now, the concept continues to be divided into the ‘ destination ’ value i.e 6 to. Really should be labeled with a circle stencil or template ( see above ) one, the. Standard unit for length measurement in the legend should know from left to right, 60cm £12.95, 1metre.! Terms of accuracy straight lines is a 300mm steel ruler which can be easily scratched or dented this! Exacting measurements the way I prefer to work, which fits most compasses, and the sides are perfectly and! Of tools I ’ ve seen these in £shops and Maplin, sometimes Robert Dyas and B & Q Internet... On scaled drawing line to the appropriate side most likely find two rows of numbers on scale., some featuring more ‘ pointed ’ or thin ovals and some more ‘ fat or... For working in scale really should be as simple as reading from a standard ruler! Following is just an indication of price and where to look a drawing template when repeated forms are needed need. Movement between the two parts and the threading on the scale on the page very small circles i.e a...

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