B ase is 5 1/2 x 8 1/ 2 scored at 4 1/4. melon mambo is 4 x 5 1/4 1st dsp 1 1/2 x 4 1/2 Mat 1 3/4 x4 3/4 next Mat 1 1/2 x 4 Dsp 1 1/4 x 3 3/4 next Mat 1/14 x 3 1/2 Dsp 1 x 3 1/4 I used a 2 in circle and a 1 3/4 circle