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Laser cutters have gone from industrial-only machines to genuinely affordable desktop tools — and South African makers have taken notice. But the market is full of confusing specs and misleading wattage claims. This guide covers every laser type, why wattage matters more than you think, the physics behind why your diode laser cannot engrave that steel keyring, and which machine is actually right for you.

You have your printer set up and filament loaded — now what? The next step trips up most beginners: where do you get the 3D files, and how do you turn them into something your printer can actually run? This guide walks you through the whole process — from finding free models online to sending your first job to the printer.

You've got your 3D printer set up and you're ready to print — then you open the filament options and see PLA, PETG, ABS, Hyper PLA, Silk, TPU... and your head starts spinning. Don't worry. For most home printing, the choice comes down to three materials. Here's the plain-language breakdown of each one, when to use it, and which to pick up first.

Just Colours Team