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platform jack remix

by dav88 Jul 16, 2017
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I'm not sure, but there appears to be 2 fatal design flaws with the corner braces inside. First, the center tube on the end with the handle running through it needs to spin freely just like the other side where it threads in. But it can't, this tube is fixed to two corner braces. Next, the corner braces on one end strike the scissor legs as you open it about half way. Bump, can't go further than half way open (and that's only if you break the screw handle off like I did, so that you can get past the first problem).

you are right . seems i got confused in my designing of the flanges. i will attempt to fix this in the future.
thank you for pointing this out to me.

Comments deleted.

Are we talking about the same thing here? The triangle corners with holes, clearly seen in pic #1? Those are not designed to be broken off, they are super thick, nor is there any mention of breaking anything off in the description.

I'm going out on a limb here and guessing you never printed this design change. Cool pics though.

oh ok im very sorry i was thinking of my other lift. :( ok. i fixed the problem and uploaded the fixed file.
what u could do to save your print is to manually, is to cut off the braces after printing. with dremmel or cope saw. and actually it looks like the only brace binding is the middle one.

So, uh, it needs to be scaled to 3000%, literally. Interesting though, will give it a try.

Dang. Epic fail on print. It appears the screw broke loose and tilted just as the top structure was about to print (right at the base of the upside-down pyramid piece of the screw). It kept printing and finished fine, but with the screw offset from center of the knob coming down in contact.

My printer is an official Prusa MK2, been doing quality prints. My setup is pretty good, this was stuck down quite well to the bed. I've printed tall things before without knocking over. Not sure if it was my printer or some unknown interference that happened (I wasn't there for those final layers), but I'm hesitant to try it again without determining the cause. :(

seems that happens a lot on original upload : Platform Jack [Fully Assembled, No Supports]
by Intentional3D. from whom i remixed this. see his page to see what others have one to fix that problem. he also added a screw to replace the broken one cuz lots of peoples screws broke. his page is: https://www.thingiverse.com/thing:925556

Platform Jack [Fully Assembled, No Supports]

um i saved it in inches. and its about 3.5 inches.