The output size you adjust on the Render tab, input the dimensions in the "image" field.

You have a full page of shortcuts here. It seems you can disable "display Edge" with CTRL+E (or CMD+E on mac).

Or are you talking about rounded grids? If that's the case you can just uncheck the RG in the shape options.

You have to adjust the camera angle before you render your model.

The output size you adjust on the Render tab, input the dimensions in the "image" field.

You have a full page of shortcuts here. It seems you can disable "display Edge" with CTRL+E (or CMD+E on mac).

Or are you talking about rounded grids? If that's the case you can just uncheck the RG in the shape options.

You have to adjust the camera angle before you render your model. Or you can export an .obj and import to Photoshop where you can rotate and render as you wish.

You have a full page of shortcuts here. It seems you can disable "display Edge" with CTRL+E (or CMD+E on mac). Or is it a shadow?

You have to adjust the camera angle before you render your model.

The output size you adjust on the Render tab, input the dimensions in the "image" field.

The output size you adjust on the Render tab, input the dimensions in the "image" field.

You have a full page of shortcuts here. It seems you can disable "display Edge" with CTRL+E (or CMD+E on mac). 

Or are you talking about rounded grids? If that's the case you can just uncheck the RG in the shape options.

You have to adjust the camera angle before you render your model.