There was a mountain of packages that occupied a whole drawer in the kitchen. And now there is a small box with packages. The whole secret is to roll packages with a simple device.
The author of the idea is Andrey Shayter https://www.youtube.com/watch?v=HEacniKGmWM
Simplified version from Steve Genom https://www.youtube.com/watch?v=1tVot6UQgAQ
Snowflakes can be hung on a Christmas tree, decorated in the interior, or sewn onto a New Year's costume. You can make earrings from them :)
I need a tachometer to calculate some mechanisms. For example, to calculate the speed of a robot vacuum cleaner, you need to know the rotation speed of the electric motor and, based on this, calculate the gear ratio of the gearbox.
Today, instead of round guides, the printer received square, using a conventional aluminum profile tube with a cross section of 20 * 20 mm. Bearings roll along the pipe 623zz. All plastic parts were printed on the same printer before it was altered.
I decided to try how my homemade 3D printer will cope with small models, for this I chose mini-toys and printed them.
The idea of assembling a homemade CNC machine appeared long ago. Lack of knowledge and necessary details. Today there is everything!