Solar Panel Roof Rake with Wheel

The past couple years I have used an aluminum roof rake that scratches my solar panels and gets stuck on all of the attachment bolts.  I bought a 30 foot Doca Pole and designed this snow roof rake to try to deal with these issues.  Turns out that a 24 foot pole would have been long enough for my needs.  This design needs the attachment piece that I designed at https://makerworld.com/en/models/1550183-threaded-pole-solar-panel-roof-rake-connector for threaded extension poles or the bolt on piece from the roof rake from https://makerworld.com/en/models/1429091-roof-rake.  This design has wheels to allow the rake to move easily, notches that hopefully will allow it to go over the attachment bolts and an angled front so that when pushing it up the panels, it will ride on top of the snow.  When using the Doca Pole, try to keep the extension levers facing up so that they don't drag on the solar panels.  The system comes with 4 wheels, two axles and the left and right roof rake sides.   Assembly is easiest to insert the narrow end of the axle through to the first wheel followed by the second wheel.  Push the wider part of the axle through until it stops.  The axles have a single layer of filament on the bottom end to prevent the need for supports that can easily be split and shaved with a knife if needed.  There is a chance that the axles wont hold up so screws can easily be used instead.  Finish the assembly with either the threaded or non threaded connector linked above using 8/32 or M5 bolts and nuts.  Since we don't have snow yet, there is a good likelihood that I will improve the design.  Also if you have comments or recommendations, please let me know.  Follow me to be notified as new versions comes out.  Enjoy!