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Case for PWM Controller (PLA + TPU plug)

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X1 Carbon
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A2L

0.16mm layer, 2 walls, 100% infill
0.16mm layer, 2 walls, 100% infill
Designer
1.2 h
2 plates

Open in Bambu Studio
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Description

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Compact enclosure designed for the Motor PWM Speed Controller – 5A, 4.5V–28V DC. It includes a flexible TPU cap that clips perfectly without glue, thanks to the elasticity of Polymaker 95A TPU. Printed on Bambu Lab X1C, the cap fits cleanly and holds firmly 

 

Features

  • PLA enclosure
  • Flexible TPU (Polymaker 95A) cap
  • Precise fit, no glue needed
  • Compact and robust form factor
  • Thick walls to protect the module

Cover Mounting

To secure the cover, four M2.5 × 4 × 3.5 inserts are required. The circuit aligns perfectly thanks to the front-mounted screw knob, ensuring a clean and precise fit within the enclosure

 

2 tabs are present to fix the enclosure onto a surface of your choice

Print Settings

Enclosure (PLA)

  • Layer height: 0.2 mm
  • Infill: 100% for maximum strength
  • Brim with object offset 0.2 mm
    • Ensures adhesion of small supports
  • Supports required (see settings below)

Cap (TPU 95A)

  • Layer height: 0.2 mm
  • Reduced speed
  • 2–3 walls
  • No supports required
  • The 95A offers perfect flexibility for a clean clip-on

Support Settings (guaranteed clean print)

To prevent supports from fusing with the enclosure walls, I used tree supports with specific settings:

  • Style: Tree – Strong
  • XY distance support/object: 0.35 mm
    • Prevents fusion with walls
  • Support wall: 2 lines
    • More stability during printing
  • Support filament enabled for the interface
    • Z distance: 0
    • Interface spacing: > 0
    • Independent support layer height: disabled

➡️ If you are not using support filament, revert to your default or usual settings

Compatibility

✔ Motor PWM Speed Controller – 5A, 4.5V–28V DC

 

All my models are original and entirely modeled in Fusion 360

 

 

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License

This user content is licensed under the MakerWorld Exclusive License.

You may create derivative works based on this object, provided that all such derivative works are published exclusively on the MakerWorld platform and include proper attribution to the original creator. You may not share, upload, host, distribute, or publish this object—or any derivative work of this object—on any other digital platform, marketplace, or distribution channel. Commercial use of this object and any derivative works is strictly prohibited. This includes, but is not limited to, selling, renting, sublicensing, or using the object in any context in which you receive monetary compensation or other financial benefits.