Up-Close Look at the Fully Mechanical 3D-Printed Pinball Machine Anyone Can Build

Steven from 3D Printer Academy spent months transforming one of his trusted old desktop 3D printers into Galactic Odyssey, a full-fledged pinball machine built entirely from pieces that came directly off his print bed. There’s no hum from the electronics, no snap from metal springs, just clever plastic pieces and a few basic connections. Throw in a steel ball, pull the launcher, and watch the action unfold right next to your keyboard on a small table that begs to be placed just in front of your computer.

Steven’s design was inspired by the 3D modeling courses he teaches, and he wanted to demonstrate that makers could do more than just print random gadgets. He decided, why not try something a little more exciting, like a real pinball cabinet with moving parts? He began with some simple sketches and refined them until every single piece fit together perfectly, with no glue or additional hardware required. The product feels rock solid when you hold it, but it’s light enough to pick up and move around the room with ease.

The flippers are where the real action takes place; simply push a button and each one quickly rises sixty degrees in a super smooth manner. Earlier versions had printed springs that either stuck or felt shaky, which was not acceptable, but the final version had these fantastic leaf-shaped bits of plastic that are anchored in with a threaded connection. It is so much better! The tension develops and releases like it should, sending the ball flying in the precise proper direction. The finest aspect is that the entire system resets itself after each shot, preparing for the next round.

Now, the playfield is divided into separate sections that even a basic home printer can handle, and each element simply locks into place from the bottom, using the same threaded method he employed elsewhere. There are a variety of holes and arches on the surface, just waiting for you to add some swappable obstacles that clip in or out. Change the layout quickly and create a whole new difficulty whenever the mood strikes; simply add a little ramp here, a tighter gap there, and the game changes altogether.

Then there’s the scoring, which is done entirely without the use of any wires or batteries. There’s just this ratchet wheel that spins whenever the ball lands in the correct location, plus a lot of bright dials that advance to keep track of your scores. The counter is all the way in the back, so everyone can see it. It clicks away with a gratifying little sound that mimics the clack of the ball against the plastic bumpers. It truly seems like you’ve earned those high scores because the entire system is based on good old-fashioned mechanics.

Instead of utilizing a fancy plunger, you launch the ball using a simple paddle. To manage the shot’s power, give it a yank before letting it fly. Balls that miss their target simply roll into a return chute and return to the originating location. The configuration even works for several players; simply connect two machines end to end and you’ll have head-to-head action. Take turns blasting balls at each other, attempting to swamp your opponent’s side before they can swamp your own. You can get four people to play by connecting the units in a square.

This machine is really customizable, as you can print every part in any color you choose. You may replace out the bumpers for different textures or forms. The rear panel is built to accommodate new designs, allowing you to customize the entire computer with your favorite theme. The bundle includes over a hundred STL files that have already been sliced and organized on virtual build plates, ready for the printer to chomp through. If you’re an advanced user who enjoys fiddling with things, you can obtain entire CAD files and modify any detail you desire. The construction requires some patience, but the directions are straightforward and the parts fit together like a jigsaw puzzle.