airscapes
Engineer

yeah Trolley, think Harry Potter.. cart with wheels, least that is what I imagined as a Yank!

TPU needs a good filament drive that has no place for the filament to go but into the hot end, direct drive does not make it so.. you should have a...

You might want to do a quick search of the Prusa forum.. would expect you will find a more exacting post with the problem and fix...

bad thermistor, hotend, or cabling.. Most likely thermistor is bad or wire almost broken.

On my MakeGear I use 235C and 70C for eSun and Overture PETG

Greg, where are you located? Any where near Philadelphia PA USA?

As you gain experience you will find it is best to keep the fabrication method limitations in mind when you are designing a part. Such as print...

Other than the one corner at 3.12 being a bit low, which could cause adhesion issues in that area, the rest look fairly good! Another thing to...

a .1mm layer height would reduce the step height and using a slicer with ironing function would help on smoothing the top surface a little in this...

to be honest should be better printing more than one at a time.. try putting a line of them down the center of the bed and see what happens.. You do...

Another thing that can cause issues is a bed that is not level and a Z offset that is incorrect and or incorrect extrusion multipier. To check use...

So.. what does the part look like.. does it have pointy corners? If so try and add a fillet to round the corner if you designed the part. What PLA...