opening 15 * height 20 opening 20 * height 20 opening 20 * height 25 opening 20 * height 30 opening 20 * height 35 opening 25 * height 25 opening 25 * height 30 opening 25 * height 35 opening 30 * height 25 opening 30 * height 30 opening 30 * height 35 opening 30 * height 40 opening 35 * height 35 opening 35 * height 40 opening 35 * height 45 opening 40 * height 40 opening 40 * height 45 opening 45 * height 45 opening 45 * height 50 opening 48 * height 37 opening 50 * height 50 opening 50 * height 55 opening 55 * height 55 opening 60 * height 60 15*20+4 with glue 15*25+4 with glue 15*30+4 with glue 20*20+4 with glue 20*25+4 with glue 20*30+4 with glue 20*35+4 with glue 25*25+4 with glue 25*30+4 with glue 26*28+4 with glue 25*35+4 with glue 25*40+4 with glue 30*25+4 with glue 30*30+4 with glue 30*35+4 with glue 30*40+4 with glue 35*30+4 with glue 35*35+4 with glue 35*40+4 with glue 35*45+4 with glue 40*35+4 with glue 40*40+4 with glue 40*45+4 with glue 40*50+4 with glue 45*45+4 with glue 45*50+4 with glue

2mm 3mm