Odd'l Rockets Cutaway Engine Build, Part 2, Pre-Fold Embossing

Cut the 6 1/2" long BT-60 tube in half, lengthwise.

Smooth the cut edges with a sanding block with 220 grit.

The dashed lines are embossed with a dull butter knife and straight edge. Pick a butter knife without serrations on the tip.

Here the knife tip is drawn down the straightedge on the fold line.
TIP: Under the print is some corrugated cardboard. Be sure the corrugations are running the same direction as the embossed line you are making.

The small fold under triangles on the end caps are traced with the knife tip. These small folds are actually small arcs, trace in a smooth half circle.