Place mold at layer M1

Place placeholder for 1.1

Place mold at layer M2

Place placeholder for 2.1

At layer 2, cast the highlighted compartment in black

Remove placeholder for 2.1

Remove mold at layer M2

Remove placeholder for 1.1

Place mold at layer M2

Place mold at layer M3

Place placeholder for 3.2

At layer 3, cast the highlighted compartment in magenta

Remove placeholder for 3.2

Place mold at layer M4

Place mold at layer M5

Place mold at layer M6

Place mold at layer M7

Place mold at layer M8

Place mold at layer M9

Place mold at layer M10

At layer 10, cast the highlighted compartment in black

Remove mold at layer M10

At layer 9, cast the highlighted compartment in black