Triumph Bonneville/Thruxton/Scrambler sprocket cover

My ongoing test of using printed sprocket cover which fits Triumph Bonneville, Thruxton and Scrambler. Standard sprocket cover is very good at being packed up with chain grease and dirt, this should keep sprocket area a bit more clean.
Model does not have 5th bolt hole due the size limit on my printer. Maybe this can be added in the future by splitting print in 2 pieces.
Print 4 x 50mm spacers from spacers.stl to keep cover from touching the sprocket. Longer spacer can be used to screw 5th, b