Parametric Battery Tray - Universal Cylindrical Battery Organizer

Features

• Fully Parametric Design - Easily adjust dimensions to fit your specific battery type
• Universal Compatibility - Works with AAA, AA, C, D, 18650, 21700, and any other cylindrical batteries
• Customizable Layout - Configure the number of rows and columns to match your storage needs
• Dual-Zone Design - Two separate sections for charged and empty batteries, marked with visual indicators
• Two-Color Printing - Accent color highlights the zones and is only 0.4mm in height, making it perfect for single-extruder printers with just two filament changes.
• Optimized Print Orientation - Designed to print with the top surface facing the build plate for a smooth finish and easy color changes on the first layers.
• No MMU Required - As there is only two swaps required, it can be done easily by hand.

What's Included

• Pre-configured models for common battery types (AAA, AA, 18650, etc.)
• Link to the Onshape model for full customization
• Easy-to-modify parameters for perfect fitment

Customization

Adjustable Parameters:

• X_FULL_INSTANCES - Number of full battery columns (charged side)
• Y_INSTANCES - Number of battery rows
• X_EMPTY_INSTANCES - Number of empty battery columns (discharged side)
• BATTERY_DIAMETER - Diameter of your batteries
• BATTERY_SPACEMENT - Gap between batteries
• BODY_SPACEMENT - Wall thickness
• HEIGHT - Overall tray height
• CHAMFER - Edge chamfer for smoother insertion

Printing Tips

• Print with the top of the tray facing down on the build plate for the best surface finish
• No supports required
• If you don't know how to print multi material without MMU, here is a great tutorial.