Many projects require a special size of flask, making them yourself is a necessity.


1.Cope (top)
2. Pattern board (center), removed after the drag is rammed and mold is flipped.
3. Drag (bottom) This half normally has the pins.
4. Bottom Board
Favorite flask sizes (ID):
5″ x 6″ x 1.5″deep cope & 1.5″ drag
12″ x 12″ x 3.5″deep cope & 3.5″ drag
14″ x 20″ x 3.5″deep cope &3.5″ drag

cut 1/8″ deep grooves to hold sand in mold.

Shellac wood (or paint) to prevent moisture
from being robbed from sand.


4 sections of angled aluminum, 2 carriage bolts/nuts
Drill 3 holes in each angled section. 2 holes attach to wood flask, one hole is for the carriage bolt.
