| fastener | f | Input a fastener here to check the minimum spacings for this fastener. | Fastener |
| min? | min? | Do you want to consider the minimum spacings for this fastener? This will override all the other inputs. | Boolean |
| n | n | number of fasteners to be used in the cross screw connection. Must be an even integer | Integer |
| a1 | a1 | Spacing parallel to the grain. Use model dimensions | Number |
| a2 | a2 | Spacing perpendicular to the grain. Use model dimensions | Number |
| a3 | a3 | end spacing. Use model dimensions | Number |
| a4 | a4 | edge distance. Use model dimensions | Number |
| a1cg | a1cg | distance between the center of gravity of penetration length on member 1 and the edge distance on member 1. Use model dimensions | Number |
| a2cg | a2cg | distance between the center of gravity of penetration length on member 2 and the edge distance on member 2. Use model dimensions | Number |
| e | e | e | Number |
| across | across | across. Use model dimensions | Number |