3D technology allows a janitor to manufacture spare parts on demand. For example, if a door handle or a cleaning cart wheel breaks, an exact replica can be designed and printed in hours. Necessary programs: Tinkercad (basic modeling), Fusion 360 (parametric design), and Cura (slicing for FDM printers). No more waiting for out-of-stock catalog parts.
Quick modeling and practical materials 🛠️
With an FDM 3D printer and PLA or PETG filament, the janitor can create key hooks, door stops, cable holders, or vacuum cleaner adapters. The workflow is straightforward: measure the broken part, model it in Tinkercad (free and visual), export to STL, and slice with Cura. For more complex cases, Fusion 360 allows precise adjustments with 0.2 mm tolerances. Printing time is around 2-4 hours per small part.
The day I printed a doorknob and they asked me for the recipe ☕
I printed a replacement doorknob for the boiler room door. It turned out so well that the maintenance supervisor asked me to make one just like it for his house. Now I have a queue of neighbors asking for parts for their storage rooms. The worst part: no one pays me with coffee, only with more orders. At least the printer doesn't complain and doesn't ask for vacations.