Tulip Bloom: a stylized tulip over a paneled sky

Cut pattern for Tulip Bloom: 21 pieces of glass separated by lead lines on a square panel. — The cut pattern exactly as the generator draws it, here at 14 in square: 21 pieces in 6 glass colors, the narrowest piece 0.7 in across and the tightest interior angle 45 degrees, both clear of the 0.375 in and 30 degree limits every pattern on this site is checked against. The panel covers 196 sq in and the glass list adds up to 225 sq in once the usual waste allowance is included.

Tulip Bloom builds a real stylized tulip: a tall center petal flanked by two outer petals sharing the same base, a straight stem, and two curved leaves each with a mid-vein, set against a paneled sky background rather than one plain fill.

Panel size runs from 10 in to 24 in. Twenty-one pieces total; the bloom's crown, the stem and both leaves are cut from straight lines, and every facet holds a wide angle margin at every size in range, which is why this pattern is rated intermediate rather than beginner.

The download includes a full-size tiled outline, a numbered piece map, a color reference sheet, a cutting-margin pattern, and a glass and supply list.

Curved leaves and their mid-veins

The two leaves are the technical interest of this panel. Each is split by a mid-vein, which means two long curved pieces meeting along a curve, and matched curves are unforgiving: any gap between them reads as a fat solder line down the middle of the leaf. Cut the two halves from the same sheet, grind them as a pair, and check them together against the pattern rather than separately.

The paneled sky

Breaking the background into panels rather than leaving one plain fill does two things: it keeps every background piece inside a comfortable cutting size, and it gives the tulip something to sit against that has its own quiet structure. Keep the sky glass low in contrast so the flower stays the subject.

Glass choices

Three petals sharing one base want glass with directional streaking running outward from that base, which reads as growth rather than as three flat shapes. Cut all three petals from one sheet with the grain planned before the first score: this is the panel where thinking about grain direction pays the most visible dividend.

Buying the glass

The glass list in the download gives square inches per color for the size you chose. Buy more than that: between offcuts, a score that runs off line and the occasional piece that breaks on the grinder, most cutters add 20 to 25 percent, and more when a color has strong directional streaking that has to run the same way across several pieces. Glass from a second sheet rarely matches the first, so buying short is the expensive mistake.

Bench setup, tools, and size checks before cutting

Print the working copy at 100 percent and measure a known panel dimension with a steel rule before you cut any glass. A printer error of 1 percent becomes about 1/8 in on a 12 in panel and about 1/4 in on a 24 in panel, which is enough to change the border fit and the lead or foil spacing.

Use a flat workboard at least 4 in larger than the selected panel in both directions. For a 10 in panel, a 14 in by 14 in board is workable. For a 24 in panel, use at least 28 in by 28 in so pins, stops, and straightedges do not hang over the edge. Cover the board with a clean paper copy or a clear film over the pattern so grinding dust and flux do not damage the reference lines.

Glass cutter, cutting oil if used with that cutter, running pliers, grozing pliers, and a small breaker for narrow strips.
Glass grinder with a standard bit, plus a fine bit if your leaf vein pieces are small at the chosen size.
Steel rule, square, fine permanent marker, pattern shears or a knife, push pins, and a soft brush for removing chips.
Copper foil or lead came chosen to match your normal build method, soldering iron, solder, flux, and cleaning supplies.
Eye protection for all cutting and grinding, and gloves when handling larger offcuts or freshly broken glass.

Keep a target clearance while fitting. For copper foil work, a gap near 1/32 in between neighboring glass pieces is usually easier to solder cleanly than pieces that touch hard. For lead came work, confirm the heart thickness of the came you plan to use before final grinding, because overgrinding can make the panel undersized.

Cutting and assembly order

Start by cutting the background pieces that form the outer boundary. These pieces establish the finished rectangle, so they should be checked against a square before any flower pieces are adjusted to them. Mark each piece number on the face side before lifting it from the pattern.

Cut the straight stem next, then the petal group, then the leaf halves. Straight scoring is fastest on the stem and crown facets, but do not rush the score starts. Begin 1/16 in inside the glass edge when needed, run with even pressure, and finish past the far pattern line. A heavy second score is more likely to chip the edge than correct a weak first score.

For the curved leaf halves, rough cut outside the line first and remove small waste areas in several bites rather than trying to break a long crescent in one movement. Grind the matching vein edges together, checking them on the pattern every 20 to 30 seconds. If one half is finished first and the other is forced to meet it, the vein line will wander.

After all pieces are rough fitted, pin a straight stop along the bottom and one side of the pattern. Build from that corner toward the opposite corner. This keeps cumulative error visible. Dry fit the full panel before foiling or came assembly, then lift and clean every piece. Grinding sludge left on an edge weakens foil adhesion and can stain pale glass during soldering.

Figures to use while working

Item to check	Practical figure	Why it matters
Print scale error	Keep under 1/16 in over 10 in	Larger error changes border fit and makes the numbered map unreliable.
Normal dry fit gap for foil	About 1/32 in	This leaves room for foil thickness and a controllable solder bead.
Grinding check interval on leaf curves	Every 20 to 30 seconds	Long grinding without checking can flatten the curve and widen the vein.
Minimum extra workboard space	4 in beyond the panel on each side	Pins and stops need room outside the glass area.
Typical layout session before cutting	20 to 40 minutes	Grain direction and piece numbering should be settled before the first score.
Final cleaning before solder	Until rinse water runs clear	Dust and oil left in seams cause weak foil grip and dirty solder flow.

If you scale the panel close to the small end, expect the narrowest fitting decisions to be at the leaf veins and at the lower flower base. If you scale it close to the large end, the main difficulty shifts to keeping long outside edges straight and preventing large background pieces from twisting during soldering.

Common faults, recovery, and special cases

If a leaf vein becomes too wide, do not fill the whole error with solder as the first choice. Recheck both leaf halves against the pattern. Often one edge has a flat spot that can be corrected by taking a light pass along the opposite piece, then moving both pieces slightly so the visual line stays centered.

If a petal piece breaks with a small corner missing, decide by location. A missing outside corner that will be covered by a border or a dark neighboring seam may be acceptable after smoothing. A missing point inside the flower usually reads as damage, so recut that piece before the panel is assembled.

If the sky pieces fit individually but the full rectangle grows too large, remove the pieces and test them in rows or columns. The cause is usually many small gaps adding together. Reduce the largest hidden background gaps first rather than grinding the flower smaller. The flower should keep its intended outline.

For textured glass, score the smoother side when possible and support the sheet fully on the bench. For very streaky glass, make a pencil arrow on every pattern piece before tracing it so the direction does not reverse during transfer. For opaque glass, use a light colored marker or adhesive labels, because lost piece numbers can add more time than the cutting itself.

If you are unsure about pattern scaling, soldering sequence, or printing checks, compare your setup with the general guidance in the FAQ before cutting the final glass.