Precision 90° Engineer's Square (4 Sizes Included)

Print Your Own 90° Precision Square | 50–150 mm

: A practical 3D-printable engineer's 90° square .

Available Sizes

: All sizes are included in the print profiles. Simply select the desired plate/profile and start printing.

• 50 × 40 mm
• 75 × 50 mm
• 100 × 70 mm
• 150 × 100 mm

Assembly

: Please refer to the assembly images below.

• Assemble within approximately 1 hour after printing for easier installation.
• As the parts cool down, the fit becomes tighter.
• If the parts have completely cooled, a vise can be used to assist assembly.
• A proper assembly will produce a noticeable "click" sound.
• A very small visible gap after assembly is normal and does not affect functionality.
• Please refer to the image below for bolt specifications, head diameter, and length.

Optional Bolt Reinforcement

• The square is designed to work well with only 2–3 locking slots engaged.
• If the joint becomes loose over time, or if you prefer a more rigid assembly, bolts can be installed.
• Any bolt head style can be used.
• Recommended bolt lengths are listed in the profile descriptions.

Accuracy

• Expected accuracy level: Grade 2–3
• If you require professional inspection-grade accuracy, please consider purchasing a certified Grade 0–1 engineer's square.

📢More Versions Coming Soon!

: New versions and improvements are already in development.

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