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DIY Spot Welding - Spot Welder

Print Profile(2)

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P2S
H2S
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H2D Pro
X1E
H2C
X1
X1 Carbon
P1P
A1
H2D
X2D
A2L
A1 mini

standard
standard
Designer
14.1 h
2 plates

A1 Mini
A1 Mini
Designer
12.1 h
3 plates

Open in Bambu Studio
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2
1
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Bill of Materials

List other parts
  • Scheda di Controllo x 1:
  • Super-condensatori x 2:
  • Cavo x 2:
  • puntale x 2:

Description

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⚡ DIY Spot Welder 

Do you need to assemble 18650 or 21700 battery packs with professional precision? This DIY spot welder combines a solid, compact design with uncompromising functionality.

This project arose from the need for a tidy bench tool, avoiding loose wires and exposed circuits. The case has been designed to perfectly house the control board, super-capacitors (or high-discharge batteries), and offers space for accessories.

🛠️ Key Features

  • All-in-One Design: Vertical structure to reduce clutter on the workbench.
  • Integrated Storage: Two front drawers perfect for storing nickel strips, spare tips, and small tools.

📦 Modularity and Assembly

The base with drawers is optional. You can decide to print only the main body or add the lower module for more storage space.

  • Alignment System: If you decide to print the base, I have provided male-female interlocking points that perfectly match between the two modules.
  • Fastening: Once the components are aligned, it is recommended to apply a few drops of glue (such as cyanoacrylate or specific plastic glue) to make the structure monolithic and integral.

🚀 New: Support for A1 Mini!

I have added a specific print profile for Bambu Lab A1 Mini.

  • The base has been redesigned to be more compact and fit perfectly within the 180x180 mm print volume.
  • Despite its reduced size, it maintains all the robustness and functionality of the standard version.

📦 What you need (BOM)

⚠️ Safety Disclaimer

This project works with very high currents. Make sure you have basic electronics skills before proceeding. The author assumes no responsibility for damages resulting from incorrect assembly.

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License

This user content is licensed under a Standard Digital File 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.