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General Information

They are divided by color and material. You will need to cut almost all the shapes again using plywood or other wooden material of your choice and glue them in layers to make the full thickness of the pieces. Make it at least 5 mm thicker than half the diameter of your ball.

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Material Description Price
Aluminum Sheet 6061

Aluminum Sheet 6061

Dimensions: 12 in × 12 in, Form: Sheet, Material: Aluminum, Thickness: .032 in

$9.99

Blue MDF Sheet

Blue MDF Sheet

8" × 12" × 1/4" Blue MDF Sheet

$5.49

Daffodil Acrylic Sheet

Daffodil Acrylic Sheet

Dimensions: 8 in × 12 in, Thickness: 1/8 in, Opacity: Translucent, Color: Yellow, Surface Finish: Matte non-glare (1 side), Color: Orange

$11.49

Gold Marble Acrylic Sheet

Gold Marble Acrylic Sheet

Color: Gold, Dimensions: 8 in × 12 in, Thickness: 1/8 in, Effect: Marble, Opacity: Translucent, Surface Finish: Glossy, Thickness Tolerance: ± .05 in

$21.49

Green MDF Sheet

Green MDF Sheet

Dimensions: 8 in × 12 in, Thickness: 1/4 in, Color: Green, Type: MDF

$5.49

Instant Bonding Glue - INSTANT JET™

Instant Bonding Glue - INSTANT JET™

2 ounce bottle

$11.99

Kiwi Acrylic Sheet

Kiwi Acrylic Sheet

Dimensions: 8 in × 12 in, Thickness: 1/8 in, Opacity: Translucent, Color: Green, Surface Finish: Matte non-glare (1 side)

$11.49

Orange MDF Sheet

Orange MDF Sheet

Dimensions: 8 in × 12 in, Thickness: 1/4 in, Color: Orange, Type: MDF

$5.04

Red MDF Sheet

Red MDF Sheet

8" × 12" × 1/4" Red MDF Sheet

$5.49

Solid Carbide 2 Flute Spiral Upcut

Solid Carbide 2 Flute Spiral Upcut

Cutting Diameter: 1/4 in, Cutting Length: 3/4 in, Shank Diameter: 1/4 in, Overall Length: 2 1/2 in, Material: Solid Carbide, Type: Upcut, Cutting Material 1: Corian, Cutting Material 2: Aluminum, Flutes: 2, Use: General carving

$28.49

Solid Carbide 2 Flute Straight End Mill

Solid Carbide 2 Flute Straight End Mill

Quantity: 1, Shank Diameter: 1/8 in, Cutting Diameter: 1/8 in, Cutting Length: 7/10 in, Overall Length: 1 1/2 in, Type: Straight, Cutting Material 3: Plastic, Cutting Material 4: Plastic, Flutes: 2, Ring Color: Black, Use: General carving, Cutting Material: Corian, Cutting Material: Plastic, Cutting Material: Linoleum, Cutting Material: Wood, Cutting Material: Plywood, Cutting Material: MDF

$3.49

Solid Carbide Single Flute Upcut End Mill

Solid Carbide Single Flute Upcut End Mill

Quantity: 1, Shank Diameter: 1/8 in, Cutting Diameter: 1/8 in, Cutting Length: 0.87 in, Material: Solid Carbide, Type: Upcut, Overall Length: 1.77 in, Flutes: 1, Ring Color: Gray, Use: General carving, Cutting Material: Corian, Cutting Material: Aluminum, Cutting Material: Plastic, Cutting Material: Linoleum

$3.49

Yellow MDF Sheet

Yellow MDF Sheet

8" × 12" × 1/4" Yellow MDF Sheet

$5.49

$128.92
from Inventables

1

Take a look and have fun making yours!

Open Easel file to see all the pieces needed on the top of the ramps.

My boards ended up with 70 × 53 cm and the overall size of the machine is 140 × 55 × 20 (middle) cm .
I cut the middle angle on the boards’ edges to 8º. It seemed to be a good inclination for the balls to roll but you might use a slightly different angle. The steel balls I used are 22mm in diameter.