Sketch panel
Create 2D Sketch
, or right-click and select 2D Sketch from the marking menu. Then select the face shown in the following image. 
Draw panel
Point
. Drag over the projected origin point, and then up. You should see the dotted line which indicates that the point you will place is aligned with the origin point. 
Constrain panel
Dimension
, or right-click and select General Dimension from the marking menu. Now, place a 25-mm dimension between the point and the bottom edge of the unfolded part. 
Modify panel
Hole
, and place a 5-mm diameter hole with a Through All termination on the sketched point. Next, you pattern the hole.