Slotted Holes Pro, gives you the tools to add an array of short or long slotted holes, or round holes.

Steel Stairs 3D easily creates an unlimited variety of Industrial Steel Stairs in 3D solids. The completed stair is made into a block for easy placement and rotation.

Use the 3D step ladder App to add steel ladders for loading docks or for the side of building. A quick and easy way to create these ladders for your 3D models.

StepThru3D creates a regular step through ladder for docks or for the side of buildings.

If you draw storefronts in plan or elevation views, then this app will definitely save you lots of time. Allows you to add a continuous string of storefront doors or windows in Plan and Elevation View

Drawing Windows Colors changer for OSNAPZ.

Inserts Text Bubbles at end of lines, arcs, polylines, splines and leaders or at any other location of your choice. Renumber the text bubbles quickly as needed.

Base Mounted End Suction Pumps creates a wide variety of 2D pumps from pump manufacturer data sheets, by imputing the dimensional data for each pump dimension.

Cope 3D allows you to make a 3D cope on a 3D Solid Structural Steel Shape.

Copy, rotate objects in an array-like way. Break purlins lines to show lappings in few clicks.

Quickly create 3D concrete beams, with chamfer, by selecting two horizontal points. Beams can be square or rectangular with user input width, depth, chamfer, and top of beam elevation.

A quick and simple method to create concrete pads or slabs for square, rectangular, circular, or multi-sided polygon shapes. Add user defined grout thickness.

CrossOver 3D creates an unlimited number of step-width combinations for Conveyor Crossovers for your 3D models.

If you create Wood Framing Plans in 3D, then this app will definitely save you a huge amount of time. Create a Wood Framing 3D model using a single line to represent the framing elements of the model.

TimberTool makes it easy to convert closed polylines into mass elements and makes the bounding box width and depth correct for scheduling purposes.

TimberTool makes it easy to convert closed polylines into mass elements and makes the bounding box width and depth correct for scheduling purposes.

No Hub 3D Piping System inserts pipe and fittings in three different 3D views, Plan, Turned Up, and Turned Down.

As fast as selecting two points your deck is created as a single polyline based on the steel floor or roof deck type selected. Select deck type, click OK, then select select two points, instant deck.

Structural Steel Shapes created as a 3D solid can be placed as a column or beams by selecting multiple lines in 3D model space. Shapes are created from the Chinese Steel Database.

Steel3D-AISC creates structural steel shapes from the LRFD15 database as a 3D solid and can be placed as a column or beams by selecting multiple lines in 3D model space

PVC-40 3D creates a variety of PVC Schedule 40 Pipe and Fittings as 3D solids for easy placement in the 3D-PVC piping drawing.

Steel2K™ Structural Shapes includes W-Shapes, channels, single/double angles, square & rectangular tubing, pipes, M, S, HP shapes and tees as listed in the Steel Manual.

SteelPLUS™ Structural Shapes 2D/3D includes W-Shapes, Channels, Single/Double Angles, Square & Rectangular Tubing, Pipes, M, S, HP Shapes and Tees as listed in the AISC / CISC Steel Manual.

If you create Wood Framing Plans in 3D, then this app will definitely save you a huge amount of time. Create Wood Framing 3D models using lines to represent the framing elements of the model.