I am adding a number of features to Door Maker Pro and will put out a Gold version very soon. I have a beta version currently in testing.

I want to change some coding that deals with mullions and panels for cathedrals and arches. I also want to finish off the door jambs portion. Should be released in a couple of weeks.

Here are some pictures of what it can do.

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Stair Maker plugin version 1.0.22 is now available.

Yes Robert - that is the plan.
However, Next will be quarter and half landings.
Then I think I should add posts and balusters.

Straight treads combined with curved need the following options.

1. straight treads at top of inside stringer

2. straight treads at bottom of inside stringer

3. straight treads at top of outside stringer

4. straight treads at bottom of outside stringer

Also need to look at notching points - where stair goes from beside a wall and then opens up.

I've now added straight stairs to stair maker.
Here is one with what we call a foot.
The straight stair is available with flares.

I'm Just finishing off with testing.

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In one of my scripts that creates complex parts I had some issues. It appeared that "intersect_with" was behaving inconsisently.

This example uses much simpler parts and therefore you may wonder why I would use a polygon mesh. I wouldn't ordinarily create a door this way. Nevertheless, the purpose is to illustrate what can be done with much more complex parts.

Let's start with a sheet of material which will be machined by CNC. The DXF file is created using a separate process. This is to preserve true arcs as opposed to multi faceted segments. This process is merely for visulization within Sketchup.

Panel Setup:

I will initially create a group (panel) and populate with a portion of the panel using fill_from_mesh. The portion is composed of all the faces that are NOT going to be machined. Then I create the front face and will again use fill_from_mesh. It turns out that fill_from_mesh only works with an empty group. So the solution is to create a second and empty group within the panel group (panel_surface) and to populate it.

Tool Setup:

Now create a number of cutters. Let's go with a 35 mm drill bit and a couple of 8 mm drill bits for construction holes (dowels). Each tool is a component and in 2 groups of 3. Then put the tools into an array (tools).

edges = panel_surface.intersect_with( false,
panel_surface.transformation,
panel_surface,
Geom::Transformation.new,
true,
tools )

The problem was some of the intersections were not visible - some of the time. After analysing the edges it turns out that all the geometry was there. So I ended up having to find all faces. Then it worked.

edges.each { |edge| edge.find_faces }
panel_surface.explode

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Here are the parameters of the stair.
You can see the progressive flare.

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I tried my Stair Maker plugin with the last 5 versions of SU on Windows 7.

I asked it to build a 360 degree curved stair with housed stringers and 56 Risers, 50 progressive flare (forces 50 unique treads and 50 unique risers) Each tread flare inreased by 5 mm.
The stair had 2 of the most complex rails that I provide. So there are 392 curved and twised sections making up the 2 rails.

SU 7: 44 seconds
SU 8: 42.5 seconds
SU 2013: 34.3 seconds
SU 2014: 32.3 seconds
SU 2015 64 bit: 33.5 seconds

You could use Fredo6 Round Over.

I do this for curved stairs with radius corners.
I use a polygon mesh and fill in all the surfaces.

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Stair Maker plugin version 1.0.21 is now available.

Version 1.0.34 of Door Maker plugin is now available.

You have complete control over your own profiles. Make them however you wish.

New Door Maker plugin just about ready.
Added mitered doors. User defines their own frame profile.

You can optionally select the back edge of the groove at the same time as selecting the profile face.
Door Maker will use the information to build your doors.

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Stair Maker version 1.0.20 is now available for download from my web site.
CabMaker32.com

Testing would be appreciated. The new plugin will be uploaded to the Extension Warehouse and the Plugin Store later this week.

Anyone who wants to run the trial - but has timed out please email me and I will reset your accounts on my web site. gkernan@telus.net

Here is an interesting side effect that I didn't expect. Here I put in a -20 mm progressive flare on the last 8 treads and it works - providing you check "Flare Sawtooth Face".

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I've finished testing version 1.0.20 of the Stair Maker plugin Suite.
I've fixed a number of issues and added new features.

1. Changed the web dialog
   the enter key now acts like the OK button.
   the escape key now acts like the cancel button.
2. Fixed first time registration bug.
3. Web dialog is no longer resizeable
4. Added ‘Open Style Sheet’ drop down. You can now store and retrieve style sheets.
5. Changed ‘Save As Default’ check box to ‘Save Style Sheet’ drop down. You can now save current style as a named style sheet.
6. Issue with first nosing. Fixed
7. Added feature risers now have choice to sit on tread - stone risers etc...
8. Added feature for partial risers with open riser stair
9. Added featuer - you can now specifiy side nosing for tread independently from front of tread nosing.
10. Back of tread was not bullnosed for open riser progressive flare. Fixed
11. Added checks
    Web Dialog data entry now pops up message for invalid data entry
    Tread dado must be less than tread thickness
    Tread bullnose cannot be negative
    Tread nosing cannot be negative
    Tread side nosing cannot be negative
    Riser nosing cannot be greater than tread nosing
    Riser nosing cannot be negative
    Tread bullnose cannot be larger than tread nosing
12. Riser boards now work with progressive flare.
13. Updated translation files
14. Flared risers have stringer dado problem. Fixed
15. Housed stringer at front of stair not calculating properly. Fixed
16. Flared treads greater than 65mm had problems. You can now flare tight radius stairs up to around 150 mm.

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The curves I am talking about do not have many edges. Also I already know which end of the curves is closest to the intersection from an iteration point of view.

This works quickly - I was hoping to reduce the compexity.

  # finds the intersection between 2 curves
  # returns [pt,cout_1,count_2] if there is a point
  # returns [nil,-1,-1] if there isn't a point
  # 
  # for best performance consider the following
  # array_1 should have the most points
  # caller could reverse array_1 if intersection is more likely at the end
  # caller could reverse array_2 if intersection is more likely at the end
  # --------------------------
  #           intersect_curves
  # --------------------------
  def intersect_curves(array_1, array_2)
      count_1 = 0
      loops = 0
      last_1 = []

      array_1.each {|pt_1|
        if (count_1 > 0) # second iteration - last_1 will have a value
          count_2 = 0
          last_2 = []

          array_2.each {|pt_2|
              if ( count_2 > 0 )  # second iteration - last_2 will have a value
                # now we can check intersection
                loops += 1
                line_1 = [pt_1, last_1]
                line_2 = [pt_2, last_2]
                pt = Geom.intersect_line_line(line_1, line_2)

                # if point is on BOTH edges then we have a true intersection
                if(point_on_line(pt,line_1) && point_on_line(pt,line_2))
                  return [pt,count_1, count_2, loops] 
                end
              end

            count_2 += 1
            last_2 = pt_2
          }
        end

        count_1 += 1
        last_1 = pt_1
      }

      [nil,-1,-1, loops]
  end

Does anyone have a simple solution to finding an intersection between 2 curves?

Currently I am traversing each edge of one of the curves and testing intersection on each edge of the other curve.

I have a new version 1.0.33 that contains a number of new features.

1. Half Width Stiles - Make either the right or left stile half the width. Good for Bifolds
2. Second Handle - Places a mirrored copy of the handle on the back side of the door. Good for passage doors.
3. Wood Grain - Allows you to manage the direction of the grain for door and drawer panels.
4. Save and retrieve Named Style Sheets. Allows you to name any number of style sheets with specific door settings. For instance you could have a list such as

Bifold Doors
Passage Doors
Panel Raised Portland

Choices are virtually endless

This version will be available by Thursday Sep 4th

You can check out prices on my web site. CabMaker32.com
You must log in to see prices.

The web dialog currently will not create a stair with curved and straight steps. A future version will add this capability.

There is a 2D to 3D stair conversion utility that will create treads and risers based on a 2D drawing. You could use the Stair Maker to create the curved portion of the stair and use the 2D to 3D utility to create the rest of the treads.

I'm back to adding new features about once a month.
I'm hoping to add these features next version.

1. Add partial riser for open riser stair - so that the gap is no larger than 'Maximum Gap'
2. Allow riser to sit on tread (marble etc).
3. Modern Rake rail - second rail profile where there are no spindles and instead there are additional horizontal rails every 100 mm (or less)
4. Modern Glass panel instead of spindles

We will use the new 'Maximum Gap' rule (defaults to 100mm or 4"), for opening of partial risers and spacing for rake rails and Modern Glass panels. Here is the new 'Codes and Rules' page

The new 'Stair Configuration' page contains 2 check boxes which are 'Partial Riser', and 'Risers Sit On Treads' as well as 2 drop downs which are 'Spindle Options' and 'Spinde Style'

Here is an example of a stair that is flared and has 'Open Riser' and 'Partial Riser' checked.