Tools & equipment

3D Printing Sanding Blocks 70 mm Wide for Paper

This collection gathers STL files for sanding blocks and paper holders, mostly around 70 mm wide. You will find flat, curved, and adjustable designs for different sanding tasks. The set is useful when you want to prepare 3D printed parts or other surfaces before finishing. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

A Polyzon collection · 40 models from 2 platforms

How this collection is put together

Polyzon assembles this collection from search results on the connected platforms. Repeats and models without a preview are removed, weak matches go to the end, and the rest keeps the search order. Models belong to their authors — check the terms on each model's page.

Selection rules: the Polyzon editorial team · Text updated 2026-10-14

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About the category

«3D Printing Sanding Blocks 70 mm Wide for Paper»

Sanding blocks in this collection range from simple rectangular bars to adjustable holders that clamp paper in place. Some designs are flat and wide, while others are narrow sticks or curved profiles for edges and recesses. Wall-mounted and storage versions keep sheets and discs organized between tasks.

Before printing, check the model page for the stated width, length, and thickness, since the 70 mm dimension may refer to the block, the paper strip, or the base. Look at the number of parts and whether assembly uses screws, pins, or printed hinges. The author's material notes and photos of real prints help you judge how the tool behaves with sandpaper.

To narrow results, try related terms such as sanding block, sanding stick, paper holder, sandpaper clamp, and detail sander. Adding a material or use case, like PLA, PETG, woodworking, or miniature sanding, can bring up different shapes. You can also search by dimensions, for example 70 mm or adjustable width.

FAQ

Frequently asked questions

What does the 70 mm width refer to?
It usually describes the block's working face or the paper strip it holds, but authors may measure differently. Check the dimensions on the model page.
Do these sanding blocks need supports?
It depends on the geometry; flat blocks often print without them, while overhangs and clamps may need supports. The author's print notes are the place to confirm.
Can I use standard sandpaper sheets?
Many designs are made for cut strips or standard sheets, but the clamping method varies. Look at the paper width and how the model secures it.
How do I choose between a flat block and a curved one?
Flat blocks work well for large surfaces, while curved and detail shapes reach edges, corners, and recesses. The choice depends on the part you are sanding.
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