|Click on this to make it animate|
This is all the same object, but it is parametric and allows me to change the front angle - the consequent geometry is all recalculated with a neat bit of trigonometry.
|The preferred final solution - 70º|
A great projection will cause too much shading to the windows below. This sun angle is midday in the Equinox period.
The triple wall PC is fluted and not polished, so I hope it will suffer less from reflection of light and heat off the glassy front of the panels.