When I need a bunch of Dominos for repeated dry fits to dial in my parts's sizes, I typically sand down standard wooden Dominos. By printing these I get the advantage of a lower price, less of my time spent preparing and marking them, and a good fit with ease of use.
Since these are only used for dry fits, they don't need to be extra strong. I print them using the defaults for my Kobra 2 and don't include a brim.
Added 8mm and 10mm now that they have been tested. (Thanks for the assist @chetkloss.)
UPDATE 2025-05-26:
After using these for almost a year I made some minor design and measurement changes to get a better fit. I've replaced the initial print files with the updates.
UPDATE 2024-07-31:
The 4mm were too wide. I hadn't tested them. Uploaded a revised STL.
UPDATE 2024-05-27:
I redesigned the 4, 5, and 6 using Fusion 360 w/ a fixed .045mm clearance. And I put round-overs on the ends to ease insertion. This makes them look like Chiclets. I like this version much better. If anyone wants the Fusion 360 files so they can change parameters, let me know. Also, if anyone wants updated 8mm and 10mm, let me know. I added a brim and used glue stick. Printed in PLA
UPDATE 2025-07-02:
At the request of user, I've uploaded the Fusion 360 parameterized model in case someone needs to tweak the model and knows Fusion 360. There are only 2 parameters to change, and a clearance parameter in case you need to tweak the fit for your printer.
Festool Reduced Size Dominos for Dry Fit (4mm, 5mm, 6mm, 8mm, 10mm)
by paulengel · original on Printables ↗
Hobby & Makers / Tools
♥ 128⬇ 1.1k🖨 5 prints
Print profiles
Dry Fit Dominos 10-80 Final 2025-05-26.3mfDEFAULT
⏱ time and weight estimated after preparation · 1 material(s)
Made to order: we prepare this file when you order, which adds a few minutes before printing starts.
Prints on: A1 mini 0.4PLA
Order this print
Dry Fit Dominos 10-50 Final 2025-05-26.3mf
⏱ time and weight estimated after preparation · 1 material(s)
Made to order: we prepare this file when you order, which adds a few minutes before printing starts.
Prints on: A1 mini 0.4PLA
Order this print
Dry Fit Dominos 5-30 Final 2025-05-26.3mf
⏱ time and weight estimated after preparation · 1 material(s)
Made to order: we prepare this file when you order, which adds a few minutes before printing starts.
Prints on: A1 mini 0.4PLA
Order this print
Dry Fit Dominos 8-40 Final 2025-05-26.3mf
⏱ time and weight estimated after preparation · 1 material(s)
Made to order: we prepare this file when you order, which adds a few minutes before printing starts.
Prints on: A1 mini 0.4PLA
Order this print
Dry Fit Dominos 6-40 Final 2025-05-26.3mf
⏱ time and weight estimated after preparation · 1 material(s)
Made to order: we prepare this file when you order, which adds a few minutes before printing starts.
Prints on: A1 mini 0.4PLA
Order this print
Dry Fit Dominos 4-20 Final 2025-05-26.3mf
⏱ time and weight estimated after preparation · 1 material(s)
Made to order: we prepare this file when you order, which adds a few minutes before printing starts.
Prints on: A1 mini 0.4PLA
Order this print