Summary

3D printed sanding block 40mm x 100 mm surface, you can change the sandpaper 10X from a single sheet of sandpaper.

Used this knob to tight the sandpaper in place

https://www.thingiverse.com/thing:3908405/files

M5 x30 screws X2
M5 Nut X2

Print Settings

Printer Brand:

Creality

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>Ender 3 Pro</p></div></p>                                                                                <p class="detail-setting rafts"><strong>Rafts: </strong>                     <div><p>No</p></div></p>                                                                                <p class="detail-setting supports"><strong>Supports: </strong>                     <div><p>No</p></div></p>                                                                                <p class="detail-setting resolution"><strong>Resolution: </strong>                     <div><p>0,2</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>50%</p></div></p>                                                    <strong>Filament:</strong> Winkle PLA                Black

Sanding Block