Round top window with 20...
24 card board roof tile strips
These roof tile strips are available in 2 different sizes.
The smaller size fits well within the 20 and 28 mm range. The larger size fits well within the 28 mm range.
Gluing these strips, as seen in the pictures, will crate 2 roof segments of 20 x 8 cm or 55 x 12 cm depending on the chosen shingles.
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