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This tool generates a squeezer for toothpaste, cream, ointment and paint tubes and exports it as STL. There are two types: a key that you thread onto the crimped end and turn, and a slider with two rollers that you push along the tube. You enter tube width, slot gap and thickness in millimetres.
The straight part of the slot is always the tube width plus 2 mm, so the tube goes in without catching. On the key the slot is closed at both ends with 3.5 mm of material on each side; on the slider the gap between the two rollers equals the slot setting exactly.
Free, no sign-up. Change the sizes in millimetres and download the STL.
Each variant is the same template with different settings. Follow the link and the editor opens with those values.
Type: Key (wind-up) · Tube width: 45 mm · Slot gap: 1.8 mm +2
Open this variant: Key, 45 mm toothpaste
Type: Key (wind-up) · Tube width: 65 mm · Slot gap: 2.2 mm +2
Open this variant: Key, 65 mm cream tube
Type: Slider (twin rollers) · Tube width: 50 mm · Slot gap: 1.2 mm +2
Open this variant: Slider, twin rollers, 50 mmThese values are edited in the editor's template panel. A number outside the range is clamped to the nearest limit automatically.
| Size | Range | Default |
|---|---|---|
| Shape | ||
| Type | Key (wind-up), Slider (twin rollers) | Key (wind-up) |
| Dimensions | ||
| Tube width | 30–80 mm | 50 mm |
| Slot gap | 0.8–3 mm | 2 mm |
| Thickness | 4–14 mm | 6 mm |
| Edge rounding | 0–3 mm | 1.2 mm |
The key winds the tube onto itself; as the tube shortens it collects on the bar and cannot unroll. The slider flattens the tube between two rollers instead of rolling it and is pushed towards the cap. For toothpaste the key is more economical, for thick cream tubes the slider is more comfortable.
The key bar is the slot gap plus 7 mm wide. Slot ends are semicircles and the straight part equals tube width plus 2 mm. The wing is at least 34 mm wide. On the slider the roller diameter is the thickness setting; the bottom bridge is 6 mm and the top bridge is 6 mm above the V roof.
Measure the flat crimped end at the bottom of the tube with a ruler. Toothpaste tubes are usually 45-55 mm, large cream tubes around 60-70 mm.
A closed slot joins both sides of the bar at the tip, so it does not spread like a fork while turning. The flat end of the tube is pushed straight through the slot, perpendicular to the key.
The rounded rollers touch the tube along a line with no sharp edge. Friction rises when the slot is much narrower than the tube; 1.2 mm is a good starting point.
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