Oct 12, 2026
2 min
Lisp for AutoCAD – Faster, Lighter Drafting — $3.8, built for real projects
A collection of AutoCAD Lisp commands that speed up drawing work and reduce lag. Load…
Construction
Engineering spreadsheets, calculation templates, and structural design tools adhering to Eurocode, AISC, and international building standards.
Oct 10, 2026
2 min
M&E Engineering Spreadsheets – 53 Excel Files — $79, editable formulas included
53 Excel calculation tools for electrical and mechanical engineers, covering the routine M&E calculations that…
Oct 9, 2026
2 min
Excel Template – Lifting Plan calculation and check list — $9, straight from a working file
Lifting plan calculation sheet and checklist covering crane details, load data, working radius and all…
Oct 8, 2026
2 min
Lisp for AutoCAD – Faster, Lighter Drafting — $3.8, straight from a working file
A collection of AutoCAD Lisp commands that speed up drawing work and reduce lag. Load…
Oct 8, 2026
2 min
Solar Power System Design: The 5 Numbers You Must Calculate Before Buying Panels
Size your solar system in the right order: daily demand, peak sun hours, array size,…
Oct 8, 2026
2 min
5 AutoCAD LISP Routines That Make Drafting 3x Faster
Five ready-to-use AutoCAD LISP routines — layer switching, auto-dimension, batch offset, renumbering, and purge-audit —…
Oct 8, 2026
3 min
Lifting Plan Calculation: 7 Checks a Rigging Engineer Verifies Before Every Lift
The seven checks a rigging engineer runs before signing off a lift — weight, CoG,…
Oct 7, 2026
2 min
Excel File Sheet Solar Power System Design Calculator — $9, works in Excel & Sheets
Excel sheet to size solar panels, battery banks and inverters for off-grid systems from system…
Oct 6, 2026
2 min
M&E Engineering Spreadsheets – 53 Excel Files — $79, open and edit in Excel
53 Excel calculation tools for electrical and mechanical engineers, covering the routine M&E calculations that…
Oct 5, 2026
2 min
Excel Template – Lifting Plan calculation and check list — $9, works in Excel & Sheets
Lifting plan calculation sheet and checklist covering crane details, load data, working radius and all…