Vacuum Robot Ramp (Parametric)
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Parametric door threshold ramp for robot vacuums. Snap-fit pieces, fully customizable in Fusion 360.
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Model information
- Source
- Printables
- Category
- Other House Equipment
- License
- Creative Commons — Attribution
Parametric Robot Vacuum Ramp
This is a parametric door threshold ramp for robot vacuums. Open the Fusion 360 file and adjust the parameters to fit your door and printer.
Parameters

Parameter | What it does |
|---|---|
| How high the ramp needs to be (your threshold height) |
| How long the ramp is front to back (controls the angle) |
| The total width of the assembled ramp |
| The max length your printer can print in one go |
| Length of the snap connectors between pieces |
The Four Bodies
The file always generates four bodies. You won't always need all of them.

Single Unit Use this when entire_ramp_width fits within max_print_length. One piece, done.

Left Unit + Right Unit Use these when you need exactly two pieces.

Left Unit + Filler Unit(s) + Right Unit Use these when you need three or more pieces. Print as many Filler Units as needed to fill the gap.
Example: 800mm width / 250mm printer = 4 pieces. So you need 2 Filler Units.

How to know how many pieces you need
Divide entire_ramp_width by max_print_length and round up. That's your piece count.
Print Left Unit + 2x Filler Unit + Right Unit.
Assembly
The pieces snap together. Just press them in from the top.