Mia Plans

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Free Study Plans Download - HERE

Full size templates for this boat are available HERE

*Full size templates are in .pdf format. They need to be printed on a plan printing machine. Most cities have plan printing shops that can do this for you, alternatively, you may know a local architect, or engineer who could print the templates for you at a reasonable price. Click HERE for a list of templates included.

'Mia' is a 12 foot runabout. Her design is inspired by William Jackson's 1955 design for the 'Ace' which was produced by the Sande Boat Works between 1956 and 1962 (

This design differs from those of the period in that it is constructed in the tape and epoxy resin method.

By designing the boat with 3D modeling software it has been possible to produce accurate dimensioned drawings and templates of all of the boat's components.

As a result, the boat has been designed so that all components, including seat frames, deck and hull panels combine to form a strong monocoque structure.

The boat is designed for short shaft outboard engines. 10 hp should get her on the plane with one person on board, 25 hp is the preferred engine size.

The plans package is in 3 parts as follows:

  1. This construction manual.
  2. The dimensioned scale plans in letter size format (dimensions in both imperial and metric).
  3. The video which shows virtually every step of the build sequence.

The full size template drawings of all major components are also available separately.

Anyone with a basic knowledge of woodworking should be able to make this boat. Whilst this manual sets out the construction sequence in detail, the builder should have a basic knowledge of and ability in working with wood and polyester or epoxy resins and glass fiber.

Mia Specifications

Length - 12'
Beam - 5' 4"
Empty Hull Weight - 270 lbs
Suggested Horsepower - 25

List of Materials

Marine Plywood:

  • 1/2"x4'x8' (12mmx1220mmx2440mm)
    3 sheets
  • 3/8"x4'x8' (12mmx1220mmx2440mm)
    2 sheets
  • 1/4"x4'x8' (12mmx1220mmx2440mm)
    4 sheets


  • 1 1/2" square timber for the bottom skids
    2 pieces 8' (2440mm) long
  • 1 1/2" square timber for the temporary supports about 40' (13m)
  • 1 1/2"x3/4" timber for the coaming, gunwales, seat supports and deck supports about 90' (28m)
  • 2"x1" timber for the rear seat back braces 3'

Resin and Glass

  • 50 yard roll (45m) of 3" (75mm) glass tape
  • 8 yards of glass cloth to cover the bottom of the hull
  • If you plan to cover the whole hull get 12 yards
  • Two gallons (9 liters) of epoxy resin
  • About 5 pounds (2 kg) of resin thickening powder


2 sheets of 8'x4' (1220mmx2440mm) Styrofoam for the flotation

Here is a video showing the building sequience:

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Additional Information

Metric & Imperial
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