Is this 3D model free to download?

Yes, Universal Trolley Coin v2 is free to download from MakerWorld. Open it in the free Thinger app, or use the "Download from MakerWorld" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by MakerWorld. Use the "Download from MakerWorld" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by Ondřej Kučera, published on MakerWorld. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

Universal Trolley Coin v2 3D printable model by Ondřej Kučera

Universal Trolley Coin v2

Source: MakerWorld by Ondřej Kučera

The Universal Trolley Coin v2 is a free printable 3D model from MakerWorld by Ondřej Kučera. There is a new version of this tool. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from MakerWorld

235 saves Source: MakerWorld Updated 2026-10-26 Print time: 12m Filament: 3 g License: CC-BY-NC-SA · non-commercial ★ 4.9 (35) 216 makes Category: Tools & Workshop

Tags: trolley, trolley coin, trolley token, shopping cart, shopping cart token, lockpicking, useful, everyday carry, lockpick, lifehack, shopping cart opener, shopping cart unlocker, trolleykey, bypass, shopping hack

About this model

There is a new version of this tool. Get it here! A very useful keychain accesory. Only tool out there capable of opening all types of coin deposit locks, without the need for a coin and can be removed immediately.This redesign of my original Universal Trolley Coin features a strong solid body with a sheath for the special arm, which can be used to open the previously undefeated ‘drawer-style’ locks, as well as a slightly larger 24.5mm coin adapter to ensure maximum compatibility.Printing instructionsPETG works best, but you can use other materials, even PLA. Generic settings for 0.4n and 0.2l work great, though you might want to slightly increase the number of perimeters, or even use 100% infill. Print as-is and fold afterwards. You might need to slightly scrape the end of the arm to mak…

Frequently asked questions

Is this 3D model free to download?: Yes. Universal Trolley Coin v2 is free to download from MakerWorld. Open it in the free Thinger app, or use the "Download from MakerWorld" link above to open the original listing.
Where is the STL hosted?: The download is hosted by MakerWorld, not by Thinger. We link you directly to the original listing by Ondřej Kučera.
Who made this model?: Designed by Ondřej Kučera, published on MakerWorld. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.