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AlbaLLI

Model a bath in 3D as per image

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Here's an example of how I might approach it. Note that it doesn't take into account the sloped bottom of the bathtub.

 

Here are the steps in the attached file -

 

A) Create the curves for the various levels of the bathtub. I traced them off the PDF which I brought in and scaled.

B) Convert some of the curves to NURBS and move them into their 3d positions. I also created a simple extrude from one of the curves for subtraction later and added two linear NURBS curves for guiding the lofts.

C) Loft the interior and exterior shapes using the birail sweep mode (3rd mode) of the Loft tool. Select the two rails and the straight profile curve for each loft. Make sure the create solid checkbox is selected.

D) Subtract the extrude and the inside loft from the main tub solid.

E) Add fillets. Ungroup the model to see the three fillet steps I added.

 

Add additional details as needed.

 

Kevin

 

2069178156_ScreenShot2018-11-05at6_05_29PM.thumb.png.8070ef6fa1c5997338fede54a5599fba.png

 

 

Bathtub.vwx

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Couldn't help having a go at this one!

 

Similar to Kevin's approach.

 

Initial loft was created from 3 nurbs curves, mapping levels of exterior bath (top, bottom, bottom of outlet) in provide PDF section. Scaled and adapted to fit.

- from solid generated, shell solid was then generated, then chamfered relevant edges

- second part was the base, reusing to nurbs curves from step 1, then using the push and pull tool to adjust the heights to match the section height of the base(did this as the push and pull can follow then slope of the solid using the second mode).

- then subtracted internally, then joined to main bath

 

image.thumb.png.3a1c69cb880182916f02a3daec5e0f0a.png

 

image.thumb.png.fd29e8bd3439a54c88bbeb1f863ad9d5.png

ModelBath.vwx

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13 hours ago, twk said:

Couldn't help having a go at this one!

 

Similar to Kevin's approach.

 

Initial loft was created from 3 nurbs curves, mapping levels of exterior bath (top, bottom, bottom of outlet) in provide PDF section. Scaled and adapted to fit.

- from solid generated, shell solid was then generated, then chamfered relevant edges

- second part was the base, reusing to nurbs curves from step 1, then using the push and pull tool to adjust the heights to match the section height of the base(did this as the push and pull can follow then slope of the solid using the second mode).

- then subtracted internally, then joined to main bath

 

^ this is a great solution! I love seeing how different people approach a geometry problem. I think all the solutions to create the sloped bottom require making the tub in two pieces.

 

I think I might re-align the seam when lofting the main tub so that the isocurves are a little cleaner for the sloped portion (bottom tub in the image). The VW interface for aligning them is not great but its a little easier if you Loft in top/plan.

 

Kevin

 

816790691_ScreenShot2018-11-06at9_14_34AM.thumb.png.302770f327149ff56ccffa682dc99f89.png

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2 hours ago, Kevin McAllister said:

 

I think I might re-align the seam when lofting the main tub so that the isocurves are a little cleaner for the sloped portion (bottom tub in the image). The VW interface for aligning them is not great but its a little easier if you Loft in top/plan.

 Good point! Looks better..

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