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3D Modeling: Main Frame
3D Modeling: Main Frame
We used Onshape to create the main frame using a series of simple rectangular extrusions. To get each component ready for the laser cutter, we applied the Onshape extension Laser Joint to each edge to create the box joints.
Then, we used the Auto Layout extension to, well, lay out each piece as shown in the image below. From there it is simple to export each part as a drawing and send it to the laser cutters at the Stanford PRL.
To look at the CAD model in detail, click the button below!
The model after applying Auto Layout.
Models of the signage and fruit, added for test fits.
Cutouts for the main game components.
Cutouts for the game start components.
Basic frame dimensions.
Manufacturing and Assembly Process
Manufacturing and Assembly Process
After finishing the CAD model, we used ~3mm thick sheets of Duron hardboard and birch plywood, depending on availability, to laser cut each frame. The frame was then assembled and the edges were secured using hot glue; we then painted it black and decorated it with additional laser cut comets and stars.
The green "fruit" was created from a foam ball, while the strawberry was 3D printed with PLA, then painted.
The IR sensors are nested inside the fruit, while the score and timer motors are taped to the interior. We cut scrap pieces of cardboard to create the "arrows" displaying the score and passage of time.
Finally, we glued the breadboards to the bottom panel, and we primarily used tape and glue to hold everything else in place. The image below also shows the coin slot/collector, made with more cardboard. The coin detection IR sensors' wires can be seen threading out of the cardboard tube.
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