How to Sketch Spiral Stairs in SolidWorks

welcome back to cadogan tutorial today we are going to sketch a spiral staircase so let's start select of plane sketch keep distance centimeter now select of plane sketch draw two circles one is small and one big circle now keep the diameter is smaller one 20 centimeter and the bigger one 100 centimeter okay now select a line and draw two lines from origin point to this circle exit select center line draw a center line up to here now select these three lines make symmetry okay now select dimension and keep that degree 30 degree okay now select trim and we want to trim this outside circle trim this inside also this is exactly our required body select ok select extruded boss select five-centimeter select okay now the first part is ready now select front plane sketch normal select one centerline drove on centerline again choose a circle and draw a circle from here to this point and close now exit from the line now we will assign the dimension create mm 3 mm 3 mm okay now select this is fill it to keep 1 mm and select both the end points okay once NT okay now select a smart dimension and I find this $0.60 II okay now select reward to boss this now see it's going to be the world this is your axis okay now the first part of this step support is ready select linear pattern select delete select select in axis this as a vertical axis keep eight numbers reverse direction we want eight number eight centimeters and eight numbers select okay now see this part is ready now we will do one more thing select of plane is sketch normal now select circle and draw one circle from origin point up to the server okay now exit from the sketch go to curve select helix spiral this is our helix a spiral tip pitch and resolution constant 20 pitch resolution 9.25 45 degree clockwise okay now this is the our part is created select this sketch the circle select extruded surface and we want to extrude up to 190 centimeter this is the support for spiral ladder okay now see it is created now go to drop-down menu choose curve driven pattern select the spiral line as an age make ten numbers equal spacing and here choose this select bodies to pattern choose this body this is the body and here tangent to curve and face normal select this is ferrule body box this pillar 10 numbers equal okay now see our ladders going to be ready now we will do one thing hi hi this is final lines okay now select this first top surface sketch select normal now to circle and draw one circle from origin point to this Center okay now exit from the sketch now go to curves choose helix spiral keep 270 1.65 revolution 86 degrees counterclockwise see it's going from here for every corner up to this end so this is better select okay now choose plane keep selected this spiral and select this end point of this spiral okay now select this plane is sketch normal now select center rectangle and droven Center rectangle okay now this Center shift origin point make coincide is not coincide now select this again choose not draw okay now select Centrepointe center point arc slot to this point this point no not this one to Centrepointe select three-point arc again juice three-point arc slot this point this point select half circle okay now exit from this to swim entities and trim inside things okay now exit from the sketch now just go to choose shift boss/base select this path see the path is going to select okay but here one wrong this thing's selected edit and delete this geometry exit now hide this plane now this is the hour see this is the ladder for a spiral ladder I hope you enjoyed this tutorial don't forget to share and like these videos we will refine someone to color go to appearance there is one organic wood this is also looking nice it's look nice I hope you enjoyed this tutorial thanks for watching

Channel: CAD CAM TUTORIAL BY MAHTABALAM

Views: 86,069

Keywords: how, to, sketch, spiral, stairs, in, Solidworks

Id: HNrWhMxZA1E

Length: 11min 54sec (714 seconds)

Published: Thu Jun 09 2016