To Work with Splines
A spline is a smooth curve that passes through or near a set of points that influence the shape of the curve.
Draw a Spline
- Click Home tab > Draw panel > Spline.
- (Optional) Enter m (Method). Then enter either f (Fit Points) or cv (Control Vertices).
- Specify the first point of the spline.
- Specify the next point of the spline. Continue specifying points as needed.
- Press Enter to end, or enter c (Close) to close the spline.
Draw a Spline Tangent to and Connecting Two Lines or Curves
- Click Modify tab > Blend Curves.
- (Optional) Enter con (Continuity) and enter a tangency option.
- Select a line or curve near an endpoint.
- Select another line or curve near an endpoint.
Convert a Spline-Fit Polyline to a Spline
- Click Home tab > Draw panel > Spline.
- Enter o (Object).
- Select a spline-fit polyline and press Enter.
The selected Object changes from a polyline to a spline.
Related Articles
AutoCAD Keyboard Commands
Learning how to use AutoCAD keyboard commands can help you work faster and improve your efficiency. This article lists the abbreviated commands that can be used in AutoCAD (Toolbox). Toggle General Features Ctrl+G Toggle Grid Ctrl+E Cycle isometric ...How to Join Polylines, Splines, Lines, and Arcs Into a Single Polyline
Click Home tab/Modify panel/Edit Polyline. (Find) Select a polyline, spline, line, or arc to edit. If you selected a spline, line, or arc, press Enter to convert the selected object into a polyline. Enter "J" (Join). Select one or more polylines, ...Drawing Polylines
Draw polylines with straight or curved segments. Define the width for the polyline segments and taper the width across the segment. Draw polygons specifying the number of sides and size. Draw a Polyline with Straight Segments Click Home tabDraw ...Microvellum Commands vs AutoCAD Commands
Microvellum AC, as a software based in AutoCAD, possesses the full range of AutoCAD commands for use in accessing AutoCAD functions, such as drawing shapes, opening menus, altering the dimensions of polylines, etc. However, it should be noted that ...Modifying Polylines
Stretch a Segment You can select a grip to make changes directly. Select the polyline to display its grips. Select a grip and drag it to the new location. Menu Options for Modifying Polylines Several options become available when you select a ...
Recent Articles
Microvellum Release Notes | Build 26.1.0422.641
The following release notes apply to Microvellum build 26.1.0422.641. BSB 2026 Microvellum BSB 2026 is now available for download and installation by users with an existing Microvellum BSB subscription. This new version of Microvellum is based on ...Microvellum BSB 2026
Microvellum BSB 2026 is now available for purchase and download. BSB 2026 introduces the Microvellum software bundled together with the BricsCAD Pro 2026 platform, with all of the accompanying changes and enhancements made after BricsCAD 2025. With ...Microvellum Release Notes | Build 25.2.0406.641
The following release notes apply to Microvellum build 25.2.0406.641. Label Image Fix Fig. 1: An error noting an incorrect number of Label Images. An issue was reported wherein creating new G-code from an existing work order that was edited using ...Microvellum Foundation Library Release Notes | Build 26.0327
The following release notes apply to Microvellum Foundation Library build 26.0327. Additions Added new Formula Driven Materials (FDM) and accompanying special FDM project wizard. * New Specification Group “Wizard Formula Driven Materials [FDM]”. New ...Formula Driven Materials (FDM) User Guide
The formula driven material (FDM) system in Microvellum automates the creation and management of materials within a project. By using predefined lookup tables and intelligent formulas, FDM dynamically generates each material’s name, thickness, and ...