Make mini clocks from recycled plastic

Moulds to make simple clocks for the table or for the wall. You can find a mini version (Ø105mm) & medium (Ø150mm). We 3D-Printed the mini mould in a sandwich mould, but you can also use the files for CNC-Milling. The medium mould is already designed for CNC milling. Both mould are designed for injection machines with a clamping nozzle (Conical or spherical). Product design by The Constitute and Johannplasto. Mould designs by Johannplasto.

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4 steps

1 Download the files

Mini clock (Ø105mm): The mini mould is designed for a resin 3D print. You can use the .stl-file for your slicer or import the .stp-file into your CAD software, make changes if needed and export as .stl-file. Position the mould so that there are no supports on the product surface. Medium clock (Ø150mm): The medium mould is designed for CNC milling (aluminium or steel).

2 Mill or print the mould parts and assemble

Mini clock (Ø105mm): You need a resin printer and high temp resin. The top and the bottom part of the mould are simple steel plates (a lot of the Precious Plastic workspaces have them). The ones we use here are from PlasticPreneur. Medium clock (Ø150mm): If you can mill yourself import the .stp-files into your CAD/CAM software, set up the milling and export the G-Code (for example in Fusion 360), if not send the files to your milling service.

3 Inject and demould

Mini clock (Ø105mm): Injection mass about 35g. The mould has a marker for the drilling. Drill the hole with 8,5mm after demoulding. Medium clock (Ø150mm): Injection mass about 55g This mould has a cylinder for the clock hole, so no drilling after cutting the sprue.

4 Assemble the clocks

Use 60mm x 30mm x 3mm wood pieces (or other 3mm material) for the stand or use the wall hanger to finish the products. We hope you enjoy these product and mould designs and turn a lot of trash to treasure. If you need help contact Johannplasto (info@johannplasto.de or @johannplasto on social media) or leave a comment. Happy recycling! Thomas

Precious Plastic is a project by One Army.Please sponsor the work or help us build the software.