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When using domestic CAD software to create architectural CAD drawings, it is sometimes necessary to draw arc-shaped rungs. But some beginners who are just starting to learn CAD drawing* don’t know how to draw straight linear segments in the HaoChen CAD architectural software Next, let the editor introduce to you the CAD drawing tutorial related to drawing arc-shaped rungs in the domestic CAD software – HaoChen CAD Building Software! CAD Drawing Tutorial: Arc-shaped Stairs – Using the arc-shaped stair command in Haochen CAD architectural software, one can create stair treads in the form of single arcs. These are suitable for individual arc-shaped stairs, and can also be combined with straight stair treads to create complex stairs and ramps, such as spiral stairs in lobbies and ramps at entrances. First, open the Haochen CAD architecture software, then locate and click sequentially on Architectural Design → Other Stairs → Arc-shaped Stair Treads (YHTD). After selecting this menu command, a dialog box will appear. Enter the parameters for the stairs in this dialog box; you can use the dynamic display window on the right side to check whether the parameters meet the requirements. The options in the dialog box are similar to those of [Linear Ramp]; refer to the description in the previous section. After entering the parameters in the modeless dialog box, drag the cursor to the drawing area; the command line will prompt you to select the insertion location for the rung and to specify the angle for inserting the arc-shaped rung. CAD Drawing Tutorial: Arc Ramp Grip [Change Inner Diameter] – The ramp becomes highlighted once it is selected, and seven grips are displayed. If the arc ramp has a break, two additional grips appear at each end of the break. The intersection point at the center of the inner circle of the staircase defines this inner diameter. Click on this grip to drag the inner circle of the rung and change its radius. 【Change outer diameter】The intersection point at the center of the outer circle of the tread is used to change the outer diameter. Click on this grip to drag the outer circle of the rung and change its radius. 【Change cutting position】By dragging the grip, you can move the cutting position of the arcuate ladder. 【Moving the ladder segment】Drag any one of the five grips to move the ladder segment using that grip as the base point. In this way, the inner and outer diameters as well as the cutting position can be modified depending on the specific location of the grips, and specific operations such as moving the rungs can be carried out. The above CAD drawing tutorial outlines the specific steps for drawing arc-shaped rungs using the domestic CAD software – HaoChen CAD Building Software. Isn’t it quite simple? Those who are interested should hurry to the official HaoChen CAD website’s download section to install and try out the legitimate HaoChen CAD building software for free, so as to learn architectural CAD drawing together with us!