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Umbra undies: Design Options

Conditional Options​

Bulge fullness​

Determines the roundness of the bulge. Doesn’t have an effect if the bulge is disabled.

  • Type: Percentage
  • Default: 75%
  • Minimum: 25%
  • Maximum: 100%

This option controls the curve of the bulge, larger values lead to a more round, spacy bulge, but sewing might be more difficult.

Pocket gap​

Controls how much space is left in the front between both pockets. Only has an effect with pockets enabled.

  • Type: Percentage
  • Default: 25%
  • Minimum: 15%
  • Maximum: 35%

This option controls the distance between both side pockets. It only has an effect if pockets are used. This option indirectly controls how much space is available for inserting things into the center pocket.

Pocket height​

Controls the position of the pocket hem or the zippers. Increasing this option results in shorter pockets. Only has an effect with pockets enabled.

  • Type: Percentage
  • Default: 20%
  • Minimum: 10%
  • Maximum: 30%

This option controls the width of the pocket hem or the vertical position of the zippers. It only has an effect if pockets are used.

Fit​

Bulge​

Increase the bugle angle to create more room in the front pouch. Doesn’t kick in below 2 degrees.

  • Type: Degrees
  • Default: 0°
  • Minimum: 0°
  • Maximum: 30°

This option controls the extra room in the front of the underwear. Below 2 degrees, no extra bulge will be created.

Elastic stretch​

Adjust how much the elastics are stretched relative to the fabric

  • Type: Percentage
  • Default: 5%
  • Minimum: 0%
  • Maximum: 10%

This option controls how much the elastic band is stretched relative to the fabric.

This determines how much smaller the waistband elastic length will be shown relative to the actual waistband circumference. The same applies for the leg holes.

If your main fabric is not very elastic, you should probably increase this so that the undies hold up well. If your main fabric is already very elastic, you can go close to 0%.

Gusset position​

Shift the gusset (crotch position with the smallest width) forwards or backwards. The default position equals the cross seam front measurement.

  • Type: Percentage
  • Default: 50%
  • Minimum: 20%
  • Maximum: 100%

This option allows you to shift the gusset forward or backward.

Gusset width​

Controls the minimum width in the crotch area

  • Type: Percentage
  • Default: 12%
  • Minimum: 3%
  • Maximum: 20%

This options controls the minimum width at the crotch.

Crotch seam​

Determines the position of the crotch seam

  • Type: Percentage
  • Default: 11%
  • Minimum: 0%
  • Maximum: 45%

This options controls the length of the front piece in the crotch region. Increase this setting to add more protection towards the back.

Horizontal fabric stretch​

Adjust this for more or less stretchy fabric in the horizontal direction

  • Type: Percentage
  • Default: 15%
  • Minimum: 0%
  • Maximum: 75%

Adjust this option for more or less stretchy fabrics, specifically for horizontal stretch.

Use the stretch you want the fabric to have when worn, not its maximum stretch.

Vertical fabric stretch​

Adjust this for more or less stretchy fabric in the vertical direction

  • Type: Percentage
  • Default: 5%
  • Minimum: 0%
  • Maximum: 50%

Adjust this option for more or less stretchy fabrics, specifically for vertical stretch.

Use the stretch you want the fabric to have when worn, not its maximum stretch.

Style​

Back waist dip​

Controls how much the back waist curves (revealing more or less skin)

  • Type: Percentage
  • Default: -2.5%
  • Minimum: -15%
  • Maximum: 10%

This option controls how much the back waist curves (revealing more or less skin).

Back waist dip shape​

Controls the shape of the back waist dip. Doesn’t have much effect if the back waist dip is zero.

  • Type: Percentage
  • Default: 80%
  • Minimum: 0%
  • Maximum: 95%

This option controls the curve of the back waist dip. This option only has an effect if the back waist dip is set to a nonzero value.

Higher values create a flatter curve at the center and increase the curve around the side seam.

Lower values create a sharper curve at the center and a smoother curve around the side seam.

Back exposure​

Controls the amount of exposed skin on the back

  • Type: Percentage
  • Default: 15%
  • Minimum: 0%
  • Maximum: 100%

This option controls the amount of exposed skin on the back.

Front waist dip​

Controls how much the front waist curves (revealing more or less skin)

  • Type: Percentage
  • Default: 2.5%
  • Minimum: -5%
  • Maximum: 15%

This option controls how much the front waist curves (revealing more or less skin).

Front waist dip shape​

Controls the shape of the front waist dip. Doesn’t have much effect if the front waist dip is zero.

  • Type: Percentage
  • Default: 75%
  • Minimum: 0%
  • Maximum: 95%

This option controls the curve of the front waist dip. This option only has an effect if the front waist dip is set to a nonzero value.

Higher values create a flatter curve at the center and increase the curve around the side seam.

Lower values create a sharper curve at the center and a smoother curve around the side seam.

Front exposure​

Controls the amount of exposed skin on the front

  • Type: Percentage
  • Default: 70%
  • Minimum: 5%
  • Maximum: 100%

Controls how much skin on the front will be covered.

Front narrowing​

Controls by how much the front part is slimmer than the back part

  • Type: Percentage
  • Default: 10%
  • Minimum: 0%
  • Maximum: 30%

This option controls how much less wide the front part will be compared to the back part. Increasing this option will make the underwear appear slimmer from the front and indirectly increase the back coverage and front exposure.

Leg rise​

Controls how high the leg is cut out

  • Type: Percentage
  • Default: 0%
  • Minimum: -20%
  • Maximum: 40%

This option controls how high the leg is cut-out.

Minimum fabric width​

Controls the minimum width of the thong strip and side band. Does not have an effect if the back exposure and the leg rise is low.

  • Type: Percentage
  • Default: 2%
  • Minimum: 0.5%
  • Maximum: 5%

Controls the minimum width of the thong strip and side band. Does not have an effect if the back exposure and the leg rise is low.

This might be tricky to sew if this is lower than twice the seam allowance.

Pockets​

Choose if you want pockets

  • Type: List
  • Default: none
  • options:
    • none
    • inside
    • zipper

Select, if you want no pockets, inside pockets (two pockets on the side for valuables and one pocket over the center of your body) or zipper pockets on the outside.

Rise​

Controls the height of the waist. A value of 100% puts the waistband onto the measured hip line.

  • Type: Percentage
  • Default: 75%
  • Minimum: 20%
  • Maximum: 150%

This options controls the height of the waistband. A value of 100% will put the waistband on top of the hip measurement.

Advanced​

Flip back​

Determines if the back part should be rendered upside down

  • Type: Boolean
  • Default: true

This option controls if the back part will be flipped into an upright position.