This is a custom-designed two-level display stand for IKEA Billy bookshelves, perfect for showcasing collectibles, models, or other small items.

Features:

• Optimized for IKEA Billy: You can fit 4 stands side by side on an 80 cm shelf.
• Modular design: Includes a first-level stand, a second-level stand, and supporting legs for stability.
• Easy assembly: Uses 8x M3 inserts and 8x M3x8mm screws for secure fastening.
   

Adjustable Parameters:

These values can be modified in the project for custom sizing (sketch 3):

• repisa_w → Width of the model (default: 19 cm)
• repisa_d → Depth of a stand (default: ~17 cm, subtracting leg width: pata_w * 3 / 2)
• repisa_distancia → Space between the two stands
   

⚠️ The impact of parameter modifications on model integrity has not been fully verified.

Parts List:

• 1x Stand (first level)
• 2x Stands (second level)
• 2x Legs for first level
• 2x Legs for connecting both stands (with center hole)
• 2x Legs for second level
• 8x M3 inserts
• 8x M3x8mm screws

If you print and use this, I'd love to see your results! Feel free to share photos in the Makes section.