Crust Crusader Rolling Pin (Redesigned Edition)

The Crust Crusader Rolling Pin has been completely reimagined from the ground up, combining precision engineering, user-centric design, and 3D printing innovation. With its improved functionality and streamlined assembly, this rolling pin is built to empower bakers of all levels—from seasoned professionals to home enthusiasts.

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What’s New?

• Single-Piece Roller Body: The redesigned roller is now a single, solid piece that ensures durability and effortless printing on most 3D printers with a 250mm print bed. No seams, no fuss.

• All Bearings in the Handles: By housing all bearings in the handles, the Crust Crusader provides smoother, more balanced rolling action. This design mirrors the functionality of a differential, ensuring even pressure and precise control as you roll.

• Compact Yet Powerful: With a total length of 430mm (including handles) and a maximum roller diameter of 75mm, this rolling pin strikes the perfect balance between manageability and performance. It’s sturdy enough for any dough while still being comfortable to handle.

• Filament and Waste Optimization: The updated design features the logo inscribed on just one side of the roller, saving material and print time. Additionally, the cupcake icon has been replaced with a pie to celebrate its refined focus on versatility.

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Precision Construction

• Threaded Rod Core: At its core is a fully threaded M8 x 400mm rod (real-world length: ~402mm), providing structural stability. This rod is easily secured within the roller using acorn nuts and washers for a snug fit.

• Advanced Bearings: Four 608 2RS ball bearings (two per handle) ensure smooth, controlled rolling action.

• Ergonomic Handles: The tapered handles naturally guide your thumbs into an ideal position for maximum comfort and precision.

• Gentle Roller Slope: The roller’s gradual slope enhances control for pressing out dough evenly, making it perfect for crusts, pastries, and more.

Hardware Needed

To bring the Crust Crusader Rolling Pin to life, you’ll need a few hardware components. Here’s a complete list with links for easy purchasing:

• One Threaded Rod: Fully Threaded M8 x 400mm 1.25mm Thread Pitch, stainless steel (~402mm in reality). Buy it here

• Two Acorn Nuts: M8-1.25mm Acorn Cap Nuts, Stainless Steel Hex Cap Dome Head Nuts. Buy them here

• Two Nuts: M8 x 1.25mm Serrated Flange Hex Lock Nuts. I purchased these with the washers together.

• Eight Washers: Standard M8 Steel Washers. I purchased these with the nuts together.

• Four Bearings: 608 2RS Ball Bearings. Buy them here

These components ensure a precise fit and seamless rolling experience. They’re easy to find and affordable, making this design accessible to 3D printing enthusiasts everywhere.

Assembly Made Simple

No glue? No problem. Here’s how to put it all together:

1. Print All Parts: Print the roller, inside handle parts, and outside handle parts using the provided print profiles. Remember, the Handles print will pause during the inside handle parts to allow you to insert the 608 bearings.

2. Assemble the Roller Body: Slide the rod through the roller body, securing it tightly between two nuts with wrenches. Center the body precisely using a measuring tape.

3. Attach Inside Handle Parts:

• Slide three washers onto one end of the rod, then fit the inside handle part over them.

• Add one washer and the acorn nut, then hand-tighten. Repeat on the other side.

• Ensure smooth spinning of the inside handle parts; adjust the body or washers if needed.

4. Attach Outside Handle Parts: Hand-tighten the outside handle parts onto the inner handles.

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~ Zion

Designed for Easy Printing

The Crust Crusader was designed with 3D printing in mind:

• Print Bed Requirements: The roller requires a print bed with at least 250mm in height.

• Scarf Seam Configuration: Thanks to Bambu Lab Studio’s 1.10 version, the seams are flush and clean, eliminating the need for sanding (though the six-layer wall thickness makes sanding an option if desired).

• No Glue Needed: The threaded connections ensure a secure fit while allowing for future disassembly if needed.

Food-Safe Materials and Care

I recommend printing the Crust Crusader with food-safe filaments like PLA or PETG. Avoid filaments like ABS or PC, which may contain toxins. For tips on food-safe 3D printing, check out this video resource .

After printing, wash the roller by hand with soap and water—no dishwasher or microwave, please.