Add STLs and PNGs of printed parts (Daffodil).

	modified:   Mechanical.tex
	new file:   STL/bedcorner.stl
	new file:   STL/bedcorner.stl.png
	new file:   STL/beltmount.stl
	new file:   STL/beltmount.stl.png
	new file:   STL/doublebearingholder.stl
	new file:   STL/doublebearingholder.stl.png
	new file:   STL/extruderbody.stl
	new file:   STL/extruderbody.stl.png
	new file:   STL/extruderlatch.stl
	new file:   STL/extruderlatch.stl.png
	new file:   STL/extrudermount.stl
	new file:   STL/extrudermount.stl.png
	new file:   STL/fanmount.stl
	new file:   STL/fanmount.stl.png
	new file:   STL/gearlarge.stl
	new file:   STL/gearlarge.stl.png
	new file:   STL/gearsmall.stl
	new file:   STL/gearsmall.stl.png
	new file:   STL/handlebar.stl
	new file:   STL/handlebar.stl.png
	new file:   STL/idler.stl
	new file:   STL/idler.stl.png
	new file:   STL/lowrelief.stl
	new file:   STL/lowrelief.stl.png
	new file:   STL/lowzleft.stl
	new file:   STL/lowzleft.stl.png
	new file:   STL/lowzright.stl
	new file:   STL/lowzright.stl.png
	new file:   STL/reliefmount.stl
	new file:   STL/reliefmount.stl.png
	new file:   STL/spoolarm.stl
	new file:   STL/spoolarm.stl.png
	new file:   STL/spoolhinge.stl
	new file:   STL/spoolhinge.stl.png
	new file:   STL/spoolmount.stl
	new file:   STL/spoolmount.stl.png
	new file:   STL/upperbearingholder.stl
	new file:   STL/upperbearingholder.stl.png
	new file:   STL/upzleft.stl
	new file:   STL/upzleft.stl.png
	new file:   STL/upzright.stl
	new file:   STL/upzright.stl.png
	new file:   STL/wipermount.stl
	new file:   STL/wipermount.stl.png
	new file:   STL/xcarriage.stl
	new file:   STL/xcarriage.stl.png
	new file:   STL/xcarriagecover.stl
	new file:   STL/xcarriagecover.stl.png
	new file:   STL/xendidler.stl
	new file:   STL/xendidler.stl.png
	new file:   STL/xendmotor.stl
	new file:   STL/xendmotor.stl.png
	new file:   STL/yendidler.stl
	new file:   STL/yendidler.stl.png
	new file:   STL/yendrodmount.stl
	new file:   STL/yendrodmount.stl.png
	modified:   mini-dev-thumbnail.pdf
	modified:   mini-dev.pdf