Narrowing the FOV in Perspective mode enables you to zoom in close.
Parallel Projection mode is far more prone to clipping while orbiting the camera.
Look to the top menus…
• Camera > Perspective
• Camera > Field of View … Type … 2 … and press Enter
Use the same commands to return the FOV to the default FOV of 35
See the Scenes in this example of your model:
A8_Braces_3.skp (429.0 KB)
A model is built of Edges supporting Faces.
You need to be able to see the edges clearly to be able to model with precision.
Turn off the eye candy, Profiles, so you can see what you’re working with.
Dump the 3D Printing Template and all needless dross that comes with it…
Combine relentless application of Inference Locking with a clear view of the geometry and 99.9% of your modeling errors will cease.
Know Your Inferences — SketchUp Help
SketchUp Training Series: Inference Locking
Vastly Improved Inferencing in SketchUp 2016
SketchUp 2017: What’s new? … More amazing improvements to Inferencing!