
This ruler can be used for taking notes and drawing patterns, and can also be used in self-study classes for drawing little figures and playing around. It is perfect for students doing homework, and for drawing diagrams. The author, being a Virgo, has meticulously designed every detail of the patterns, various installation methods, eye-catching colors, and functional combinations, making everything clear and straightforward. If you are still using a pen barrel, stop it! If you have children, stop it!

Project Address:
https://www.thingiverse.com/thing:6779252
The author is from a studio in Italy, and while they don’t have many models, each one is beautifully crafted and professional. They are just entering the 3D printing industry, with unlimited potential and worth following.

For example, this smart air filtration system for cats is quite impressive.

Returning to today’s project, the designed template pages and link sections are separate, and each can be individually removed for use. You can give one to each child in the front and back seats, allowing them to write and draw during a boring class, and the class will be over before they know it.

The author has designed a total of 6 templates: polygon, blank, protractor ruler, lines, characters, and curves. These cover almost all scenarios needed for taking notes.
Two installation methods:

Compatible with standard binder hole positions.

Or use printed locking clips.
If you can design, you can draw the patterns you need on the blank pages and customize your own drawing templates.
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