This 3D printed part is designed to convert a standard Dremel sanding drum mandrel into a flat 50mm sanding pad.
The part features a 50mm diameter disc with a 14.5mm height, and a center hole that snugly fits the rubber drum section of the mandrel.
Once inserted, you can attach hook-and-loop (Velcro) style sanding discs or glue abrasive paper directly on it.

🛠️ Designed for:

3mm shaft rotary tools (e.g. Dremel, Proxxon, generic rotary tools)

Standard rubber drum mandrel with top screw/pul

✅ Use Case:

When you only have cylindrical sanding sleeves but want to switch to flat pad sanding

🔧 Print Settings:

Material: PLA,Hyper PLA,ABS recommended

Layer height:0.08 mm
Infill: 25%

No supports needed