here is how I made mine.
Step 1: WHAT YOU NEED
-flour and water;
-iron wire (thick);
-flat piece of wood;
Step 3: MAKE FRAIM
-bend 10 cm on one side of each of them;
-bind them together at the end and on the start of the "L"(place the "L" all perpendiculars);
-nail the iron wire to the base of wood;
-(optional)glue some pieces of concrete (or whatever) to make a weight.
Step 4: START FORMING THE DUMB
measure your shoulders height and form them with cardboard and balls of newspaper. add tape when needed.
form the head wit more newspaper balls and tape.
→in this stage don't pay attention to detail, ONLY TO PROPORTION
Step 5: PAPER MACHE' IT
-boil some flour and water for few minutes (i did random amounts, but you can find the right amounts and timing online);