Rather than starting with the shaped base, begin by constructing each of the box sections, starting with the larger back box.
You should have 4 x MDF panels for this part of the project. Two side panels (55 cm x 50 cm) and two end panels (47.8 cm x 50 cm).
Cut out a section of the rear box panel big enough to allow a small boy to step into the tractor safely. We’ve made our gap size about 28 cm wide x 23 cm high, rounding off the internal corners.
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| Draw a rear door to cut out |
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| Carefully cut out section using a jigsaw |
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| Sand all edges |
Screw panels together to form a cube. Use long clamps to help keep a grip on all sides whilst you assemble your box.
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| Use long clamps to help secure things while you work |
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| Making the rear box |
It's at this point we realised that 12 mm thick MDF was perhaps not the best material for this project because even using thin wood screws, the panel edges had a tendency to split so the interior of the box has been reinforced with battens. Suggest 18 mm thick MDF.
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| Reinforced interior with battens |
For that ‘rivetted’ effect, you can use domed headed screws to secure the panel edges together.
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| Using dome headed screws to look like rivets |
Your completed rear tractor structure should now look like the above box.
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