Toys for boys- crane shell grab/bucket
Description
Toys for boys. Old boys use computers, small boys need other toys crane shell grab/ shell bucket based on Wikipedia article Bulk-handling crane with 2 versions 1. modern with hydraulic pump and pistons - we will use air delivered by syringe connected to pump's air inlet (center) with thin flexible pipe. Air outlets should be connected to piston cylinders. 2.kind of self dumping single line - we must add some metal weights on the bottom frame to open jaws. Closing will be done by single support line tight in the middle of bottom frame, passing through ring on top frame and later to the crane body (winch).Usually support line is passing through number of sheaves on top of jaws to increase closing force, but for toy simple winching is good enough. You have to print 2 shells, 4 arms, 1 bottom & top frame choosen model and number of pins (can be replaced by part of paper clip equal diameter) winch can be downloaded for instance from Toys for boys-crane rope winch/drums https://www.thingiverse.com/thing:4867679 this is effect of testing new version of Template Shapes_Text https://www.thingiverse.com/thing:4863092, which will be released soon. template code will be included in next database release Enjoy!
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