A simple stackable frame for building towers out of soda cans
In the contest Can Holders
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updated July 31, 2025

Description

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This is a frame that helps you build pretty tall can towers.

For each tower, you will have to print:

  • exactly one base model
  • exactly one base_connector model
  • at least one stage model. I've successfully built towers with 20 and 25 layers before running out of vertical space

This model has two general versions:

Can typeCans per layerFits mk3/4Cans example (height-agnostic)
Regular7Yes
Sleek10

Yes

(small Z axis rotation required)

Each version contains three variations:

VariationSpecification
Gap sizeGap position
tight0.1mm
standard0.2mm
loose0.3mm

How to determine the best tolerance level

  1. Print one of each model in Tolerance Testers folder (models can be distinguished by the number of diamond-shaped holes)
  2. Try inserting them into each other
  3. Tolerance level is controlled by changing the socket diameter, so pins across the testers have the same diameter. Choose the tolerance level based on the socket, not the pin.

Print & Assembly tips

This model requires somewhat decent layer adhesion. I had no issue printing it in PLA, but it might be easier to achieve with PETG.

No supports required.

The assembly doesn't require any glue/adhesive, but you might want to use it anyway if you plan to move the tower, as it can undergo non-destructive self-disassembly when significantly tilted.

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Model origin

The author marked this model as their own original creation.

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