Cranosaurus

Cranosaurus (Dźwigozaur)
Original size: ~21cm tall
Standing crane model for assembling

Animation of how to assemble:
https://youtu.be/t5jVspsCsL4
Short instruction is on the photo

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The only thing you will need, exluding printed parts, is a thread to connect a wheel-big and a hook

Names of STL files are with quantity of how many parts you will need, not how many there is in the file

'all main parts' file is for printers with at least 19x19cm bed
It is without pins, wheels, hook, rings, slider and base_load (this one is to add more weight to base, if needed, to pull sth up with a crane)

Pins 'fat' are for good accuracy printers / smaller nozzle (than 0.4) / specific options in slicer. - where normal pins can be too small.
First, print one normal size pin170 and a 'ring' and test it. Some force should be needed to put pin in but then it should rotate easly - if the pin will be too small try 'fat' file, then if it is too big resize it in slicer a little [turn off uniform scaling and set X and Z to like 90%, leave Y with 100%]

If you will have some questions just ask in the comment

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Prepared for 0.4mm nozzle
No supports needed

Pins and wheels should be printed with 0.1mm layer height or lower and rather slow speed
PET-G recommended for it
Rest can be printed with 0.2mm with PLA

Pins should have 100% infill. 'Fill gaps' slicer option may be usefull