Somewhere I red, that wooden things made with nails & glue are fore yourself, but made only from wood is for grandchildren. Thence it is challenge for myself to design things w/o nails&glue made from wood only.

Supplies

board: 8000mm x 105mm x15 mm
rod 300mm length 10mm diameter for hang
dowel 6mm for securing joints
drill
chisel
sandpaper
circular/jig saw
or CNC for cutting parts

Step 1: Cut Material for Needed Length

Step 2: Plane Board to Required Thickness

Step 3: Cut Parts

Step 4: Paint Parts

Step 5: Technical Drawings

Step 6: Assembly

Parts number are based on PDF attachments

Base & Side

Drag #8 & #11 to center of part 2
Now push them to #5
Push #6 and #7 to part #4
Push same time all of them to part #4
Push #9 to #3 and similar #10 to #1

Roof

Push #13 & #14 (roofs with 2 to middle holes) to #16 inner mortises hole closer to center
Push #12 & #15 to side holes of #16
Now you can push 10mm diameter beam vie holes of #8 & #9 and add some rope for hang it
Place roff at top.

Step 7: Secure Some Joints With 6mm Dowels

At least you have to secure following joints:

#4 and #5 with #2
#12 & #15 with #16 & #17
#13 &#14 with #8 & #11

Introduction: Bird Feeder W/o Nails&glue