I can't continue this project on Linux.

build.sbt

@@ -11,6 +11,8 @@ lazy val core = (project in file("core")).settings(
     "io.chrisdavenport" %% "fuuid" % "0.3.0",
     "tf.bug" %% "fancadescodec" % "0.1.1",
     "tf.bug" %% "fancadegraph" % "0.1.0",
+    "org.scalameta" %% "munit" % "0.7.9" % Test,
   ),
+  testFrameworks += new TestFramework("munit.Framework"),
   addCompilerPlugin("org.typelevel" %% "kind-projector" % "0.11.0" cross CrossVersion.full),
 )

core/src/main/scala/tf/bug/fancadetagless/Fancade.scala

@@ -0,0 +1,34 @@
+package tf.bug.fancadetagless
+
+import tf.bug.fancadegraph.Level
+import tf.bug.fancadegraph.BlockDefinition
+import tf.bug.fancadegraph.PinDefinition
+import tf.bug.fancadegraph.Block
+import tf.bug.fancadescodec.Position
+import scalax.collection.Graph
+
+sealed trait Fancade {
+  val pins: Vector[PinDefinition]
+
+  def render: Level
+}
+
+object Fancade {
+
+  final case class Capture[T](newBlock: BlockDefinition[T], args: T, pins: Vector[PinDefinition]) extends Fancade {
+    override def render: Level = {
+      Level(
+        Set(
+          Block(
+            Position(0, 0, 0),
+            newBlock,
+            args
+          )
+        ),
+        Graph.empty
+      )
+    }
+  }
+  final case class Use(inputs: Vector[Fancade])
+
+}

core/src/main/scala/tf/bug/fancadetagless/Fanscript.scala

@@ -1,6 +1,7 @@
 package tf.bug.fancadetagless
 
 import tf.bug.fancadetagless.Fanscript.{Position, ScreenSize}
+import tf.bug.fancadegraph.BlockDefinition
 
 trait Fanscript[F[_]] {
 
@@ -70,6 +71,24 @@ trait Fanscript[F[_]] {
 
 object Fanscript {
 
+  implicit object FanscriptFancade extends Fanscript[FancadeW] {
+
+    override def lift(value: Float): FancadeW[Float] =
+      Fancade.Capture(
+        BlockDefinition.NumberValue,
+        value,
+        BlockDefinition.NumberValue.output
+      )
+
+    override def win(stop: Boolean): FancadeW[Unit] =
+      Fancade.Capture(
+        BlockDefinition.Win,
+        stop,
+        BlockDefinition.Win.after
+      )
+
+  }
+
   case class ScreenSize(width: Float, height: Float)
   case class Position(position: Vector3, rotation: Rotation)
   case class Raycast(hit: Boolean, position: Vector3, obj: Obj)

core/src/main/scala/tf/bug/fancadetagless/package.scala

@@ -0,0 +1,7 @@
+package tf.bug
+
+package object fancadetagless {
+  
+    type FancadeW[A] = Fancade
+
+}

core/src/test/scala/tf/bug/fancadetagless/FancadeSuite.scala

@@ -0,0 +1,14 @@
+package tf.bug.fancadetagless
+
+import tf.bug.fancadegraph.BlockDefinition
+
+class FancadeSuite extends munit.FunSuite {
+  
+  test("A capture creates one block") {
+    val capture = Fancade.Capture[String](BlockDefinition.GetNumber, "hello", Vector(
+      BlockDefinition.GetNumber.output
+    ))
+    
+  }
+
+}