App do Serralheiro, provided with several projects for manufacturing, trailer, shed, and more, totally free.

We have a number of manufacturing projects with pdf information (such as metal structure, gate model, etc.), calculations for the construction of stairs (such as sailor ladder, lance ladder, etc.), calculations for light spans, and much more. New projects and calculations are added all the time.

By performing routine calculations such as grid span division, French hand cutting, boiler-making calculations, etc., this application is designed to assist locksmiths and boilermakers with their projects.

New Chinese Hat calculation added in the Latest Version 1.9.