Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!

Printable "Precision" Measuring Tools

by jhoward679 Jul 7, 2016
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The "simple_protractor.stl" has a small error. The main part of the protractor (with the angles) is located 0.1 mm higher than the arm in the stl file.

I figured this out while trying to print the protractor and noticing only the arm printed on the 1st layer. The main part didn't start printing until layer 2.

I took the stl file (with the 2 combined parts) into TinkerCAD, separated the parts into different files, and then snapped the main part to the build plate, which resulted in a height change of 0.1 mm.

Comments deleted.

A set of angle guage blocks would be a good addition.

And another thought: an ellipse trammel (sliders, this time, pivoted off a fixed axis bar with a string ).

Another thought: a centre-finder (that's 2x 90-degree setsquares overlaid at 45 degrees with a very small offset for the scribe width).

Hi Friend! I printed the cm caliper with no problem! I looks great.

However, when printing the inch caliper, the part with the measurements on it is slightly raised and was not printing correctly. When trying to print, the printer was just dropping filament in mid air. Just wanted you to know. I attached the modified stl file with both parts level.


thanks for the fix i uploaded the file and gave you credit in the details. any other fixes or comments feel free to add.

Hey my friend. I was wondering if you'd consider narrowing the jaws on the calipers? they are awfully wide. would be nice to find a funtional set that is narrow like the real steel ones.

i can do that. i will link them when im done. just be aware that if printed in pla they will be fragile

thanks much!! oh, another edit i figure to bring up...for the depth gauge, cut a channel out of the main scale, and lift the depth gauge up just a little to lock into the channel. this would give extra precision to the accuracy of the gauge.

thanks for sharing and for the detailed design, I found it fun to print, however useful as a toy and for getting printing experience.

Hi. can you make this in centimetre ?

i plan on finishing the corrections and conversions in the future but i am busy with full time work and school right now.

The speed bevel doesn't seem correct. The curve (almost circle) on the short measure side, should surely sit in a cut-out on the long measure side? It seems like the cut-out is on the wrong side of the long measure? So the whole thing should sit pretty flat?

The threads also need adjustment. They're so tight, they won't go together without modification.

sorry for the late response. i looked at it and it seems that your right i will make adjustments to it in the near future. my printer is broken and i have classes now so im tight on free time. thanks for the input

What material did you use

i printed with hatchbox pla

what is a speed bevel for and how does one use it?

measuring and marking things that would be difficult, tedious or impossible with just a tape measure. a picture is worth a thousand words so here you go. http://www.wikihow.com/Use-a-Speed-Square / http://www.popularmechanics.com/home/how-to/a3999/4306646/

Curious, what are you using on the bed for the surface?

glass with paper masking tape

Hey those are wonderful thank you so much! I recognize and can figure out how to use all but the fillet guages.I love the ruler with the V groove, such a simple thing but how many times I've needed something like that :)

glad you like it. the fillet gauge is for measuring corners for example the round corner of a laptop. you would simply take the fillet gauges out and see which one fits the corner. then say for example you were using the mm version and the 10mm fillet gauge fit the corner perfectly, the 10 mm gauge means that a 10 mm circle would match the curve of the corner. it saves a TON of time and frustration. and i put the concave and convex so you can measure the curves weather they are outside (convex) curves like the laptop edge or inside (concave) curves like the recessed area around my keyboard. this is a work in progress and will be for some time. i will be adding more tools, descriptions, how to's, photos and videos to this set. so stay tuned!

Oh, right I get it, yes.Thanks.I look forward to the more to come :)