Your Handy Tool for Clean, Accurate Lines
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A simple, lightweight ruler that keeps every line sharp and every angle clear.
This plastic triangle ruler is made for easy geometry, drafting, and drawing. It’s light, sturdy, and fits neatly in your bag or desk. Great for students, architects, and anyone who needs clean, precise angles.
Straight lines and sharp angles made simple.
✔ Accurate angle and line guides
✔ Easy to carry to class or work
✔ Durable plastic build
✔ Great for geometry and drafting
Wipe clean with a dry or slightly damp cloth. Dimensions: 23cm x 14cm.
We are proud to offer duty-free, reliable, tracked shipping— delivered to your door in over 200 countries worldwide!
Below you can check our average shipping times:
Domestic USA Shipping:Â 2-9 business days
US & Canada:Â 7-18 days
Europe:Â 7-18 days
Europe Plus*:Â 8-30 days
Australia, New Zealand:Â 7-18 days
Hong Kong, Singapore:Â 7-18 days
Rest of the world:Â 8-30 days
*does not include processing times up to 2 business days or longer in peak periods
Primarily we ship out from fulfillment centers in the United States, Eastern Asia and Western Europe. If the item you've purchased is out of inventory in your nearest location, we'll send it directly from our production lines at the same delivery times as stated in our shipping section.
What material is the ruler made of?
It’s made of durable plastic for everyday use.
Is it good for geometry class?
Yes, it’s ideal for geometry, drafting, and drawing tasks.
Is it lightweight?
Yes, it’s designed to be easy to carry and handle.
Helps you draw clean lines and precise angles with ease.
Easy to take anywhere for school or work.
Sturdy enough for daily use without adding bulk.
A simple tool that supports sketches, plans, and layouts.
Triangle form keeps edges steady as you work.
A simple upgrade from basic options.
| Features | MK Aquarium | Knock-Offs |
|---|---|---|
| Accurate angle markings | ||
| Lightweight plastic build | ||
| Easy to carry | ||
| Sturdy construction | ||
| Clear line visibility | ||
| Great for drafting | ||
| Smooth edges | ||
| Reliable shape retention |
Yes, the ruler includes angle markings for quick measurements.
Yes, it’s simple and easy to handle for school projects.
It’s made to be durable for everyday use.
Yes, it helps create clean lines and angles in drawings.
Its compact size fits in most bags and sleeves.
It has a firm structure for accurate lines.
A quick wipe with a damp cloth works fine.
Yes, they’re clear and simple to follow.
Yes, it supports drafting and layout work well.
