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Pachinko Chassis (Gravity Chute)

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Bounding box
180.0 × 240.0 × 20.0 mm
Engine
Precision B-rep
Parameters
16
Published
September 14, 2026

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The prompt

super simple part with no internal mechanisms, just outer view, very basic. Concept 1: "Gravity Chute Pachinko" Chassis Layout & Form Factor A shallow inclined desktop unit. The main field uses a staggered grid of static rubber-capped aluminum standoffs, using basic gravity to return played balls to a central bottom tray. Key Features & Subsystems Launcher: A simple spring-loaded plunger (straight pull-rod with a rear compression spring and rubber tip) positioned on the bottom-right perimeter channel. Dose/Reload: A slanted gravity track with a mechanical single-ball rocker stop. Pushing the launcher rod back tilts the rocker to feed one 5/16" ball into the launching slot. Dynamic Obstacles (2 Required): Center Paddle Wheel: A 4-vane freely rotating wheel mounted on a low-friction shoulder bolt that spins and deflects balls as they descend. Bistable Tipping Bucket: A small center-pivoted dual-pocket tray. Landing a ball on the left dumps the ball and flips the tray to redirect the next shot to the right. Score Tracking & Reporting: A mechanical odometer drum. Balls drop into 3 bottom collection channels (10, 20, 50 points), each depressing a lever that advances a visible 2-digit numbered drum wheel. Game Reset: A single side push-bar that trips a trapdoor under the collection channels to drop all 10 balls back into the dosing track while resetting the odometer drum to 00.

Parameters

NameValueRange
Board Width (X)180 mm80 – 400
Board Height (Y)240 mm120 – 500
Plate Thickness6 mm3 – 20
Perimeter Wall Thickness5 mm2 – 15
Perimeter Wall Height14 mm4 – 40
Outer Corner Radius3 mm0 – 10
Standoff Peg Diameter6 mm2 – 16
Standoff Peg Height8 mm2 – 25
Peg Pitch (X)30 mm12 – 80
Peg Columns5 ct2 – 12
Peg Rows (Staggered)6 ct2 – 14
Gap: Tray to First Peg Row15 mm5 – 60
Gap: Top Wall to Last Peg Row15 mm5 – 60
Collection Tray Length (Y)45 mm15 – 120
Tray Pocket Depth4 mm1 – 6
Collection Channels (10/20/50)3 ct1 – 5

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.

Pachinko Chassis (Gravity Chute) - Free CAD Model (STEP, STL) | TextoCAD