如何制作装载机的框架?

材料：

• 2x 2x 4" rectangular boards
• 4x 2" x 4" rectangular boards
• 2x 1" x 4" boards
• Wood glue
• Screws
• Ruler

步骤：

1. Cut the boards:

   • Cut 2 pieces of 2x 4" boards to 24" long.
   • Cut 4 pieces of 2x 4" boards to 16" long.
   • Cut 2 pieces of 1" x 4" boards to 16" long.

2. Assemble the frame:

   • Assemble the frame by attaching the 2x 4" boards together using wood glue and screws.
   • Attach the 2x 4" boards to the 1" x 4" boards using wood glue and screws.

3. Attach the crossbars:

   • Attach the 2x 4" boards to the frame using wood glue and screws.
   • Attach the 1" x 4" boards to the frame using wood glue and screws.

4. Finishing:

   • Apply a coat of paint or stain to protect the frame.

提示：

• Use a jigsaw to make precise cuts.
• Pre-drill holes before attaching the boards together.
• Use a level to ensure the frame is square.
• Allow the frame to dry completely before applying a finish.