Use a tape measure, pencil, and level to measure the entire wall, the border where you want your geometric shapes ... use a nail gun and wood glue to attach the wood strips before painting your design ...
If finding your dream mirror feels like an impossible task, then you may want to consider creating your own DIY mirror ... more "oomph" to your design, there are multiple ways that you can customize ...
Classic round-point shovels dig holes better than any other, while the key to transplanting shrubs cleanly and efficiently is a more narrow-bladed shovel. If you need to dig a trench, spread gravel, ...