Rest is over — time to build. In this Modeling Lab, Eon opens a brand-new project in Nomad Sculpt and counts it down: "Three, two, one. Boom." The mission is to add a brand-new star to the scene. (Eon is careful here: a star, not a planet — he's "pretty strict about the rule about the name.") Before any clicking happens, though, his dad asks a sneaky-deep question: what is the fundamental shape of a planet or a star?

Every star starts as a sphere

Eon's answer is sharp: a star is "like a round star, but it's so big it can't really be round — it's bumpy." That's genuinely true, and it has a name in modeling: a sphere — a 3D ball. The big idea of the whole lesson is that everything you model starts from a basic shape. In Nomad Sculpt those starter shapes are called primitives: a box, a cylinder, a sphere. "Primitive" just means basic.

Instead of doing it for him, Dad hands over the controls: "I'm going to challenge you — you're going to find this yourself." Eon reasons it out. To make something new you have to add something, so he looks for the plus / Add menu, opens the primitives, and picks a UV sphere. "Good choice." The new sphere is tiny and lost among the giant stars already in the scene, so Eon double-taps it to focus the camera right on it.

Moving an object: meet the gizmo

The fresh sphere is way too small and it's overlapping the other stars. Eon's instinct is exactly right: "First, I want to move it." This unlocks a pile of real vocabulary.

Everything in the scene — the new star included — is called an object. To slide an object around, you grab it by a special handle called the gizmo. Dad flags it honestly: "That's a new concept. It's really, really hard." Eon switches to gizmo mode, grabs the handles, and drags the star off to the side so it won't bump into the big star nearby.

He also learns two camera moves that are not the same as moving the object:

  • Pan — sliding the whole view sideways, "pan the whole thing to the right."
  • Zoom — getting closer so you can actually see what you're doing. When the menu blocks his view, the fix is to pan and zoom until the sphere is clear.

That difference matters: moving the camera changes what you see; moving the object changes where it actually is in the scene.

Growing the star with radius

Even after moving it, the sphere is still too small. New concept alert: the size of a sphere is set by its radius. Eon already knows this idea from space games — "like in Universe Sandbox, you do radius and it turns into a gas giant." Bigger radius, bigger ball; smaller radius, smaller ball.

He opens the extra options (the three dots) and finds the radius slider. "Oh, the slider changes the radius — that's really convenient!" Then comes a pro tip worth remembering: don't overdo it. If you crank the radius too high, the sphere fills the screen and there's "no space left to pinch it" later. So Eon nudges it up carefully — 3, then 4, then 9 — zooming out as it grows, sometimes losing track of the other stars, and finally landing on a radius around 73.69. "That's good."

Along the way he teaches Dad some real astronomy: hotter stars glow blue, cooler stars glow red or orange — so if a star looks red, it's actually one of the colder ones. He decides his star will be a cold one, so later it can be painted red.

Locking it in: validate

One last new word. In Nomad Sculpt, a primitive isn't finished just because it looks right — you have to validate it to confirm it. Dad ties it to programming: it's like you initialize an instance, then confirm it, and only then can you change it. Once Eon validates the sphere, it's locked in and ready to sculpt and paint. (He spots the paint tool and is ready to color it red — but that's saved for the next video!)

Try it

Try the "round base first" idea away from the screen. Grab a ball — a basketball, an orange, a ball of clay — and notice it's a sphere, just like Eon's star. Now make it bigger or smaller in your mind the way the radius slider does. Finally, give it a job: imagine moving it across a table (that's the gizmo) versus walking around it to see the other side (that's panning and zooming the camera). Same object, two totally different moves — exactly the skill Eon practiced to drop a brand-new star into his universe.