Adjustable Speed Electric Tool with Reversible Rotation
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Description
Adjustable Speed + Reversible Mini Electric Grinder Pen
📌 Compatible Motor: Diameter 29mm × Length 64mm
📌 Matching Chuck: B10 drill chuck, wide clamping range, compatible with various grinding heads / drill bits
📌 Casing Material: PETG/PLA both work, PETG is more drop-resistant and durable, no supports needed, precise hole positions, compact space
📌 Core Functions: Adjustable speed + forward/reverse control, meeting various grinding / drilling needs
3D printed DIY handheld electric grinder pen casing✅ Compatible motor: Diameter 29mm × Length 64mm, with B10 chuck for wide clamping range (motors are very cheap online)
Compatible with various grinding heads / drill bits, reserved adjustable speed + forward/reverse control positions, driver board can be added as needed, no supports printing,
Anti-slip grip design transforms it into a practical small tool when powered, super handy for PCB drilling / model grinding / polishing
All accessories used are standard materials,
- a 35V speed controller,
- a forward/reverse switch,
- a DC power input female connector (DC5521 recommended, compatible with DC5525)
- T10 drill chuck (can be replaced with T12 drill chuck)
- T10 adapter copper sleeve (it is recommended to choose the appropriate model according to your motor, my motor is 3.17)
Below are the installation and motor dimension diagrams
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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