Heat Insert Press – Compact Manual Press for Threaded Inserts

A compact, fully 3D‑printed heat insert press designed for consistent, repeatable installation of threaded inserts in your prints.
The height of the platform is adjusted very easily via a hand crank driven by a TR8 leadscrew, so you can position your workpiece precisely without effort.
A spring‑loaded lever with the soldering‑iron holder automatically returns to its upper position after pressing, giving you a quick, comfortable and repeatable workflow.
The press runs on a linear rail with bearings for smooth motion and includes a soldering‑iron holder mounted directly to the frame for a clean, space‑saving setup.

Features

• Stable post‑and‑base design with TR8 spindle and spindle nut for precise height adjustment.Manual.pdf
• Linear rail with carriage and end stops to keep everything aligned and prevent the carriage from running off the rail
• Integrated soldering iron holder and lever mechanism for comfortable operation.
• Uses standard 608ZZ and 693ZZ bearings, M3/M4 countersunk screws (DIN 7991) and threaded inserts, so everything is easy to source
• Most printed parts are assembled with heat‑set inserts; no awkward nuts in slots.

Required Materials

• 4 x Threaded insert M4x6mm
• 23 x Treaded insert M3x3.6mm
• 34 x Threaded insert M3x5.7mm
• 3x Bearing 608zz
• 10x Bearing 693zz
• 8x Magnet 4x1mm
• Screws
  • DIN 7991
    • M3x6mm
    • M3x8mm
    • M3x10mm
    • M3x14mm
    • M3x16mm
    • M3x20mm
    • M4x14mm
• 1x TR8 leadscrew min 335mm
• 1x linear rail MGN12 250mm with two carriages MGM12B
• 1x Extended Spring 7x51mm or similar
• 7x PTFE tube 15mm
• Lubrication grease (the same you use for your printer)

For detailed assembly instructions, please refer to the included Manual.pdf.

You are very welcome to contact me if you need a different diameter for the soldering‑iron holder. I will gladly design a custom version for you, and I would really appreciate a boost in return.